dtg

Crates.iodtg
lib.rsdtg
version6.3.0
sourcesrc
created_at2020-11-25 21:18:24.089987
updated_at2024-10-24 20:38:57.528686
descriptionDate/time CLI utility
homepage
repositoryhttps://github.com/qtfkwk/dtg
max_upload_size
id316450
size70,519
(qtfkwk)

documentation

README

About

Date/time CLI utility

See also the [dtg-lib] crate.

Usage

$ dtg -h
Date/time CLI utility

<https://crates.io/crates/dtg> / <https://github.com/qtfkwk/dtg>

---

Usage: dtg [OPTIONS] [ARG]...

Arguments:
  [ARG]...  Argument [-X: "x" timestamp (2), -Z: timezone, "%s.%f" timestamp,
            default: now]

Options:
  -l                  Local timezone (6)
  -a                  "a" format (1)
  -x                  "x" format (2)
  -X                  Give timestamp argument(s) in "x" format (2)
  -Z                  Search/list timezones
  -f <FORMAT>         Format(s) [-z/-l: "%a %d %b %Y %H:%M:%S %Z",
                      "%Y-%m-%dT%H:%M:%SZ"]
  -z <ZONE>           Timezone(s) [default: UTC] (3) (6)
  -s <SEPARATOR>      Separator [default: "\n"]
  -n <NAME>           Named format(s) [all, bcd, compact-date (%Y%m%d),
                      compact-date-time (%Y%m%d-%H%M%S), compact-time (%H%M%S),
                      default, rfc-3339, x, or any custom format] (4) (5)
  -i <N>              Run every N seconds
  -c <N>              Clear and run every N seconds
  -r, --readme        Print the readme
  -h, --help          Print help
  -V, --version       Print version

---

Notes:

1. "a" format:

   ```text
   %s.%f
   %Y-%m-%dT%H:%M:%SZ
   %a %d %b %Y %H:%M:%S %Z # UTC
   %a %d %b %Y %H:%M:%S %Z # Specified or local timezone
   ```

2. "x" format (novel UTC / base 60 encoding):

   ```text
   0* 0 1 2 3 4 5 6 7 8 9
   1* A B C D E F G H I J
   2* K L M N O P Q R S T
   3* U V W X Y Z a b c d
   4* e f g h i j k l m n
   5* o p q r s t u v w x
   ```

   Field  | Values           | Result
   -------|------------------|----------
   Year   | 2020 => 33*60+40 | Xe
   Month  | Jan-Dec => 0-11  | 0-B
   Day    | 0-27/28/29/30    | 0-R/S/T/U
   Hour   | 0-23             | 0-N
   Minute | 0-59             | 0-x
   Second | 0-59             | 0-x

3. Prints the timestamp in each format with one or more timezones using a
   comma-separated string (`-z UTC,EST`).

4. The `-f`, `-a`, and `-x` options are processed *in that order* and do not
   enable any reordering, however the `-n` option processes its arguments in the
   order given and handles custom, "a", "x", and named formats.

5. "bcd" format: year, month, day, hour, minute, and second displayed like a
   binary clock with the Braille Patterns Unicode Block and `|` separators.

6. `-l` / `-z` are ignored when processing UTC-only formats like `-n rfc-3339`.

Examples

Get current date/time in UTC and RFC 3339 format:

$ dtg
2024-10-24T20:37:44Z

Get current date/time in the local timezone and default format:

$ dtg -l
Thu 24 Oct 2024 16:37:44 EDT

Get current date/time in explicit timezone and default format:

$ dtg -z MST
Thu 24 Oct 2024 13:37:44 MST
$ dtg -z America/Los_Angeles
Thu 24 Oct 2024 13:37:44 PDT

Get current date/time in UTC and specific format:

$ dtg -f %A
Thursday
$ dtg -f %s.%f
1729802264.820781234

Get current date/time in local timezone and specific format:

$ dtg -l -f %A
Thursday

Get current date/time in explicit timezone and specific format:

$ dtg -z MST -f %A
Thursday

Get current date/time in "a" format:

$ dtg -a
1729802264.888230133
2024-10-24T20:37:44Z
Thu 24 Oct 2024 20:37:44 UTC
Thu 24 Oct 2024 16:37:44 EDT

Get current date/time in explicit timezone and "a" format:

$ dtg -a -z MST
1729802264.909333272
2024-10-24T20:37:44Z
Thu 24 Oct 2024 20:37:44 UTC
Thu 24 Oct 2024 13:37:44 MST

Get current date/time in "x" format:

$ dtg -x
Xi9NKbi

Get a specific date / time in UTC and RFC 3339 format:

$ dtg 1606447276.941324100
2020-11-27T03:21:16Z

Get a specific date/time in the local timezone and default format:

$ dtg -l 1606447276.941324100
2020-11-27T03:21:16Z

Get a specific date/time in explicit timezone and default format:

$ dtg -z MST 1606447276.941324100
Thu 26 Nov 2020 20:21:16 MST
$ dtg -z America/Los_Angeles 1606447276.941324100
Thu 26 Nov 2020 19:21:16 PST

Get specific date/time in UTC and specific format:

$ dtg -f %A 1606447276.941324100
Friday

Get specific date/time in local timezone and specific format:

$ dtg -l -f %A -- 1606447276.941324100
Thursday

Get specific date/time in explicit timezone and specific format:

$ dtg -z MST -f %A -- 1606447276.941324100
Thursday

Get a specific date/time in "a" format:

$ dtg -a 1606447276.941324100
1606447276.941324100
2020-11-27T03:21:16Z
Fri 27 Nov 2020 03:21:16 UTC
Thu 26 Nov 2020 22:21:16 EST

Get a specific date/time in explicit timezone and "a" format:

$ dtg -a -z MST 1606447276.941324100
1606447276.941324100
2020-11-27T03:21:16Z
Fri 27 Nov 2020 03:21:16 UTC
Thu 26 Nov 2020 20:21:16 MST

Get a specific date/time in "x" format:

$ dtg -x 1606447276.941324100
XeAQ3LG

Get a specific date / time from "x" format in RFC 3339 format:

$ dtg -X XeAQ3LG
2020-11-27T03:21:16Z

Get a specific date / time from "x" format in the local timezone and default format:

$ dtg -X -l XeAQ3LG
Thu 26 Nov 2020 22:21:16 EST

Get a specific date / time from "x" format in explicit timezone and default format:

$ dtg -X -z MST XeAQ3LG
Thu 26 Nov 2020 20:21:16 MST

Get a specific date / time from "x" format in specific format:

$ dtg -f '%a %d %b %Y %H:%M:%S %Z' -X XeAQ3LG
Fri 27 Nov 2020 03:21:16 UTC

Get a specific date / time from "x" format in local timezone and specific format:

$ dtg -l -f '%a %d %b %Y %H:%M:%S %Z' -X XeAQ3LG
Thu 26 Nov 2020 22:21:16 EST

Get a specific date / time from "x" format in explicit timezone and specific format:

$ dtg -z MST -f '%a %d %b %Y %H:%M:%S %Z' -X XeAQ3LG
Thu 26 Nov 2020 20:21:16 MST

List available time zones:

$ dtg -Z
Africa/Abidjan
Africa/Accra
Africa/Addis_Ababa
Africa/Algiers
Africa/Asmara
Africa/Asmera
Africa/Bamako
Africa/Bangui
Africa/Banjul
Africa/Bissau
Africa/Blantyre
Africa/Brazzaville
Africa/Bujumbura
Africa/Cairo
Africa/Casablanca
Africa/Ceuta
Africa/Conakry
Africa/Dakar
Africa/Dar_es_Salaam
Africa/Djibouti
Africa/Douala
Africa/El_Aaiun
Africa/Freetown
Africa/Gaborone
Africa/Harare
Africa/Johannesburg
Africa/Juba
Africa/Kampala
Africa/Khartoum
Africa/Kigali
Africa/Kinshasa
Africa/Lagos
Africa/Libreville
Africa/Lome
Africa/Luanda
Africa/Lubumbashi
Africa/Lusaka
Africa/Malabo
Africa/Maputo
Africa/Maseru
Africa/Mbabane
Africa/Mogadishu
Africa/Monrovia
Africa/Nairobi
Africa/Ndjamena
Africa/Niamey
Africa/Nouakchott
Africa/Ouagadougou
Africa/Porto-Novo
Africa/Sao_Tome
Africa/Timbuktu
Africa/Tripoli
Africa/Tunis
Africa/Windhoek
America/Adak
America/Anchorage
America/Anguilla
America/Antigua
America/Araguaina
America/Argentina/Buenos_Aires
America/Argentina/Catamarca
America/Argentina/ComodRivadavia
America/Argentina/Cordoba
America/Argentina/Jujuy
America/Argentina/La_Rioja
America/Argentina/Mendoza
America/Argentina/Rio_Gallegos
America/Argentina/Salta
America/Argentina/San_Juan
America/Argentina/San_Luis
America/Argentina/Tucuman
America/Argentina/Ushuaia
America/Aruba
America/Asuncion
America/Atikokan
America/Atka
America/Bahia
America/Bahia_Banderas
America/Barbados
America/Belem
America/Belize
America/Blanc-Sablon
America/Boa_Vista
America/Bogota
America/Boise
America/Buenos_Aires
America/Cambridge_Bay
America/Campo_Grande
America/Cancun
America/Caracas
America/Catamarca
America/Cayenne
America/Cayman
America/Chicago
America/Chihuahua
America/Ciudad_Juarez
America/Coral_Harbour
America/Cordoba
America/Costa_Rica
America/Creston
America/Cuiaba
America/Curacao
America/Danmarkshavn
America/Dawson
America/Dawson_Creek
America/Denver
America/Detroit
America/Dominica
America/Edmonton
America/Eirunepe
America/El_Salvador
America/Ensenada
America/Fort_Nelson
America/Fort_Wayne
America/Fortaleza
America/Glace_Bay
America/Godthab
America/Goose_Bay
America/Grand_Turk
America/Grenada
America/Guadeloupe
America/Guatemala
America/Guayaquil
America/Guyana
America/Halifax
America/Havana
America/Hermosillo
America/Indiana/Indianapolis
America/Indiana/Knox
America/Indiana/Marengo
America/Indiana/Petersburg
America/Indiana/Tell_City
America/Indiana/Vevay
America/Indiana/Vincennes
America/Indiana/Winamac
America/Indianapolis
America/Inuvik
America/Iqaluit
America/Jamaica
America/Jujuy
America/Juneau
America/Kentucky/Louisville
America/Kentucky/Monticello
America/Knox_IN
America/Kralendijk
America/La_Paz
America/Lima
America/Los_Angeles
America/Louisville
America/Lower_Princes
America/Maceio
America/Managua
America/Manaus
America/Marigot
America/Martinique
America/Matamoros
America/Mazatlan
America/Mendoza
America/Menominee
America/Merida
America/Metlakatla
America/Mexico_City
America/Miquelon
America/Moncton
America/Monterrey
America/Montevideo
America/Montreal
America/Montserrat
America/Nassau
America/New_York
America/Nipigon
America/Nome
America/Noronha
America/North_Dakota/Beulah
America/North_Dakota/Center
America/North_Dakota/New_Salem
America/Nuuk
America/Ojinaga
America/Panama
America/Pangnirtung
America/Paramaribo
America/Phoenix
America/Port-au-Prince
America/Port_of_Spain
America/Porto_Acre
America/Porto_Velho
America/Puerto_Rico
America/Punta_Arenas
America/Rainy_River
America/Rankin_Inlet
America/Recife
America/Regina
America/Resolute
America/Rio_Branco
America/Rosario
America/Santa_Isabel
America/Santarem
America/Santiago
America/Santo_Domingo
America/Sao_Paulo
America/Scoresbysund
America/Shiprock
America/Sitka
America/St_Barthelemy
America/St_Johns
America/St_Kitts
America/St_Lucia
America/St_Thomas
America/St_Vincent
America/Swift_Current
America/Tegucigalpa
America/Thule
America/Thunder_Bay
America/Tijuana
America/Toronto
America/Tortola
America/Vancouver
America/Virgin
America/Whitehorse
America/Winnipeg
America/Yakutat
America/Yellowknife
Antarctica/Casey
Antarctica/Davis
Antarctica/DumontDUrville
Antarctica/Macquarie
Antarctica/Mawson
Antarctica/McMurdo
Antarctica/Palmer
Antarctica/Rothera
Antarctica/South_Pole
Antarctica/Syowa
Antarctica/Troll
Antarctica/Vostok
Arctic/Longyearbyen
Asia/Aden
Asia/Almaty
Asia/Amman
Asia/Anadyr
Asia/Aqtau
Asia/Aqtobe
Asia/Ashgabat
Asia/Ashkhabad
Asia/Atyrau
Asia/Baghdad
Asia/Bahrain
Asia/Baku
Asia/Bangkok
Asia/Barnaul
Asia/Beirut
Asia/Bishkek
Asia/Brunei
Asia/Calcutta
Asia/Chita
Asia/Choibalsan
Asia/Chongqing
Asia/Chungking
Asia/Colombo
Asia/Dacca
Asia/Damascus
Asia/Dhaka
Asia/Dili
Asia/Dubai
Asia/Dushanbe
Asia/Famagusta
Asia/Gaza
Asia/Harbin
Asia/Hebron
Asia/Ho_Chi_Minh
Asia/Hong_Kong
Asia/Hovd
Asia/Irkutsk
Asia/Istanbul
Asia/Jakarta
Asia/Jayapura
Asia/Jerusalem
Asia/Kabul
Asia/Kamchatka
Asia/Karachi
Asia/Kashgar
Asia/Kathmandu
Asia/Katmandu
Asia/Khandyga
Asia/Kolkata
Asia/Krasnoyarsk
Asia/Kuala_Lumpur
Asia/Kuching
Asia/Kuwait
Asia/Macao
Asia/Macau
Asia/Magadan
Asia/Makassar
Asia/Manila
Asia/Muscat
Asia/Nicosia
Asia/Novokuznetsk
Asia/Novosibirsk
Asia/Omsk
Asia/Oral
Asia/Phnom_Penh
Asia/Pontianak
Asia/Pyongyang
Asia/Qatar
Asia/Qostanay
Asia/Qyzylorda
Asia/Rangoon
Asia/Riyadh
Asia/Saigon
Asia/Sakhalin
Asia/Samarkand
Asia/Seoul
Asia/Shanghai
Asia/Singapore
Asia/Srednekolymsk
Asia/Taipei
Asia/Tashkent
Asia/Tbilisi
Asia/Tehran
Asia/Tel_Aviv
Asia/Thimbu
Asia/Thimphu
Asia/Tokyo
Asia/Tomsk
Asia/Ujung_Pandang
Asia/Ulaanbaatar
Asia/Ulan_Bator
Asia/Urumqi
Asia/Ust-Nera
Asia/Vientiane
Asia/Vladivostok
Asia/Yakutsk
Asia/Yangon
Asia/Yekaterinburg
Asia/Yerevan
Atlantic/Azores
Atlantic/Bermuda
Atlantic/Canary
Atlantic/Cape_Verde
Atlantic/Faeroe
Atlantic/Faroe
Atlantic/Jan_Mayen
Atlantic/Madeira
Atlantic/Reykjavik
Atlantic/South_Georgia
Atlantic/St_Helena
Atlantic/Stanley
Australia/ACT
Australia/Adelaide
Australia/Brisbane
Australia/Broken_Hill
Australia/Canberra
Australia/Currie
Australia/Darwin
Australia/Eucla
Australia/Hobart
Australia/LHI
Australia/Lindeman
Australia/Lord_Howe
Australia/Melbourne
Australia/NSW
Australia/North
Australia/Perth
Australia/Queensland
Australia/South
Australia/Sydney
Australia/Tasmania
Australia/Victoria
Australia/West
Australia/Yancowinna
Brazil/Acre
Brazil/DeNoronha
Brazil/East
Brazil/West
CET
CST6CDT
Canada/Atlantic
Canada/Central
Canada/Eastern
Canada/Mountain
Canada/Newfoundland
Canada/Pacific
Canada/Saskatchewan
Canada/Yukon
Chile/Continental
Chile/EasterIsland
Cuba
EET
EST
EST5EDT
Egypt
Eire
Etc/GMT
Etc/GMT+0
Etc/GMT+1
Etc/GMT+10
Etc/GMT+11
Etc/GMT+12
Etc/GMT+2
Etc/GMT+3
Etc/GMT+4
Etc/GMT+5
Etc/GMT+6
Etc/GMT+7
Etc/GMT+8
Etc/GMT+9
Etc/GMT-0
Etc/GMT-1
Etc/GMT-10
Etc/GMT-11
Etc/GMT-12
Etc/GMT-13
Etc/GMT-14
Etc/GMT-2
Etc/GMT-3
Etc/GMT-4
Etc/GMT-5
Etc/GMT-6
Etc/GMT-7
Etc/GMT-8
Etc/GMT-9
Etc/GMT0
Etc/Greenwich
Etc/UCT
Etc/UTC
Etc/Universal
Etc/Zulu
Europe/Amsterdam
Europe/Andorra
Europe/Astrakhan
Europe/Athens
Europe/Belfast
Europe/Belgrade
Europe/Berlin
Europe/Bratislava
Europe/Brussels
Europe/Bucharest
Europe/Budapest
Europe/Busingen
Europe/Chisinau
Europe/Copenhagen
Europe/Dublin
Europe/Gibraltar
Europe/Guernsey
Europe/Helsinki
Europe/Isle_of_Man
Europe/Istanbul
Europe/Jersey
Europe/Kaliningrad
Europe/Kiev
Europe/Kirov
Europe/Kyiv
Europe/Lisbon
Europe/Ljubljana
Europe/London
Europe/Luxembourg
Europe/Madrid
Europe/Malta
Europe/Mariehamn
Europe/Minsk
Europe/Monaco
Europe/Moscow
Europe/Nicosia
Europe/Oslo
Europe/Paris
Europe/Podgorica
Europe/Prague
Europe/Riga
Europe/Rome
Europe/Samara
Europe/San_Marino
Europe/Sarajevo
Europe/Saratov
Europe/Simferopol
Europe/Skopje
Europe/Sofia
Europe/Stockholm
Europe/Tallinn
Europe/Tirane
Europe/Tiraspol
Europe/Ulyanovsk
Europe/Uzhgorod
Europe/Vaduz
Europe/Vatican
Europe/Vienna
Europe/Vilnius
Europe/Volgograd
Europe/Warsaw
Europe/Zagreb
Europe/Zaporozhye
Europe/Zurich
GB
GB-Eire
GMT
GMT+0
GMT-0
GMT0
Greenwich
HST
Hongkong
Iceland
Indian/Antananarivo
Indian/Chagos
Indian/Christmas
Indian/Cocos
Indian/Comoro
Indian/Kerguelen
Indian/Mahe
Indian/Maldives
Indian/Mauritius
Indian/Mayotte
Indian/Reunion
Iran
Israel
Jamaica
Japan
Kwajalein
Libya
MET
MST
MST7MDT
Mexico/BajaNorte
Mexico/BajaSur
Mexico/General
NZ
NZ-CHAT
Navajo
PRC
PST8PDT
Pacific/Apia
Pacific/Auckland
Pacific/Bougainville
Pacific/Chatham
Pacific/Chuuk
Pacific/Easter
Pacific/Efate
Pacific/Enderbury
Pacific/Fakaofo
Pacific/Fiji
Pacific/Funafuti
Pacific/Galapagos
Pacific/Gambier
Pacific/Guadalcanal
Pacific/Guam
Pacific/Honolulu
Pacific/Johnston
Pacific/Kanton
Pacific/Kiritimati
Pacific/Kosrae
Pacific/Kwajalein
Pacific/Majuro
Pacific/Marquesas
Pacific/Midway
Pacific/Nauru
Pacific/Niue
Pacific/Norfolk
Pacific/Noumea
Pacific/Pago_Pago
Pacific/Palau
Pacific/Pitcairn
Pacific/Pohnpei
Pacific/Ponape
Pacific/Port_Moresby
Pacific/Rarotonga
Pacific/Saipan
Pacific/Samoa
Pacific/Tahiti
Pacific/Tarawa
Pacific/Tongatapu
Pacific/Truk
Pacific/Wake
Pacific/Wallis
Pacific/Yap
Poland
Portugal
ROC
ROK
Singapore
Turkey
UCT
US/Alaska
US/Aleutian
US/Arizona
US/Central
US/East-Indiana
US/Eastern
US/Hawaii
US/Indiana-Starke
US/Michigan
US/Mountain
US/Pacific
US/Samoa
UTC
Universal
W-SU
WET
Zulu
localtime

Search for a timezone:

$ dtg -Z ca/w
Africa/Windhoek
America/Whitehorse
America/Winnipeg

Multiple timezones:

$ dtg -z UTC,EST5EDT,CST6CDT,MST7MDT,PST8PDT -f '%Z%n%H:%M:%S%n' -f '%Z%n%Y-%m-%d%n'
UTC
20:37:45

EDT
16:37:45

CDT
15:37:45

MDT
14:37:45

PDT
13:37:45

UTC
2024-10-24

EDT
2024-10-24

CDT
2024-10-24

MDT
2024-10-24

PDT
2024-10-24

Note the above prints each format for each timezone... to print each timezone for each format, use a single format and %n:

$ dtg -z UTC,EST5EDT,CST6CDT,MST7MDT,PST8PDT -f '%Z%n%H:%M:%S%n%n%Z%n%Y-%m-%d%n'
UTC
20:37:45

UTC
2024-10-24

EDT
16:37:45

EDT
2024-10-24

CDT
15:37:45

CDT
2024-10-24

MDT
14:37:45

MDT
2024-10-24

PDT
13:37:45

PDT
2024-10-24

Use a custom separator between formats/timezones:

$ dtg -z PST8PDT,MST7MDT,CST6CDT,EST5EDT,UTC -f '[%Z %H:%M:%S]' -s ' '
[PDT 13:37:45] [MDT 14:37:45] [CDT 15:37:45] [EDT 16:37:45] [UTC 20:37:45]

Named formats:

  • a, all
  • bcd
  • cd, compact-date
  • cdt, compact-date-time
  • ct, compact-time
  • d, default
  • i, r, rfc, rfc-3339
  • x
$ dtg -l -n all
1729802265.392895293
2024-10-24T20:37:45Z
Thu 24 Oct 2024 20:37:45 UTC
Thu 24 Oct 2024 16:37:45 EDT
$ dtg -n bcd
⠄⠔|⡀|⠔|⠄|⣴|⢒
$ dtg -l -n bcd
⠄⠔|⡀|⠔|⡰|⣴|⢒
$ dtg -z MST7MDT -n bcd
⠄⠔|⡀|⠔|⡐|⣴|⢒
$ dtg -n compact-date
20241024
$ dtg -n compact-date-time
20241024-203745
$ dtg -n compact-time
203745
$ dtg -n default
Thu 24 Oct 2024 20:37:45 UTC
$ dtg -n rfc-3339
2024-10-24T20:37:45Z
$ dtg -n x
Xi9NKbj

Ordered named formats:

$ dtg -x -a
1729802265.614241539
2024-10-24T20:37:45Z
Thu 24 Oct 2024 20:37:45 UTC
Thu 24 Oct 2024 16:37:45 EDT
Xi9NKbj
$ dtg -a -x
1729802265.634261462
2024-10-24T20:37:45Z
Thu 24 Oct 2024 20:37:45 UTC
Thu 24 Oct 2024 16:37:45 EDT
Xi9NKbj
$ dtg -n x -n all
Xi9NKbj
1729802265.655104871
2024-10-24T20:37:45Z
Thu 24 Oct 2024 20:37:45 UTC
Thu 24 Oct 2024 20:37:45 UTC
$ dtg -n all -n x
1729802265.674685442
2024-10-24T20:37:45Z
Thu 24 Oct 2024 20:37:45 UTC
Thu 24 Oct 2024 20:37:45 UTC
Xi9NKbj

Formats

Date specifiers

Spec. Example Description

%Y | 2001 | The full proleptic Gregorian year, zero-padded to 4 digits. %C | 20 | The proleptic Gregorian year divided by 100, zero-padded to 2 digits. %y | 01 | The proleptic Gregorian year modulo 100, zero-padded to 2 digits. %m | 07 | Month number (01--12), zero-padded to 2 digits. %b | Jul | Abbreviated month name. Always 3 letters. %B | July | Full month name. Also accepts corresponding abbreviation in parsing. %h | Jul | Same as %b. %d | 08 | Day number (01--31), zero-padded to 2 digits. %e | 8 | Same as %d but space-padded. Same as %_d. %a | Sun | Abbreviated weekday name. Always 3 letters. %A | Sunday | Full weekday name. Also accepts corresponding abbreviation in parsing. %w | 0 | Sunday = 0, Monday = 1, ..., Saturday = 6. %u | 7 | Monday = 1, Tuesday = 2, ..., Sunday = 7. (ISO 8601) %U | 28 | Week number starting with Sunday (00--53), zero-padded to 2 digits. %W | 27 | Same as %U, but week 1 starts with the first Monday in that year instead. %G | 2001 | Same as %Y but uses the year number in ISO 8601 week date. %g | 01 | Same as %y but uses the year number in ISO 8601 week date. %V | 27 | Same as %U but uses the week number in ISO 8601 week date (01--53). %j | 189 | Day of the year (001--366), zero-padded to 3 digits. %D | 07/08/01 | Month-day-year format. Same as %m/%d/%y. %x | 07/08/01 | Locale's date representation (e.g., 12/31/99). %F | 2001-07-08 | Year-month-day format (ISO 8601). Same as %Y-%m-%d. %v | 8-Jul-2001 | Day-month-year format. Same as %e-%b-%Y.

Time specifiers

Spec. Example Description

%H | 00 | Hour number (00--23), zero-padded to 2 digits. %k | 0 | Same as %H but space-padded. Same as %_H. %I | 12 | Hour number in 12-hour clocks (01--12), zero-padded to 2 digits. %l | 12 | Same as %I but space-padded. Same as %_I. %P | am | am or pm in 12-hour clocks. %p | AM | AM or PM in 12-hour clocks. %M | 34 | Minute number (00--59), zero-padded to 2 digits. %S | 60 | Second number (00--60), zero-padded to 2 digits. %f | 026490000 | The fractional seconds (in nanoseconds) since last whole second. %.f | .026490 | Similar to .%f but left-aligned. These all consume the leading dot. %.3f | .026 | Similar to .%f but left-aligned but fixed to a length of 3. %.6f | .026490 | Similar to .%f but left-aligned but fixed to a length of 6. %.9f | .026490000 | Similar to .%f but left-aligned but fixed to a length of 9. %3f | 026 | Similar to %.3f but without the leading dot. %6f | 026490 | Similar to %.6f but without the leading dot. %9f | 026490000 | Similar to %.9f but without the leading dot. %R | 00:34 | Hour-minute format. Same as %H:%M. %T | 00:34:60 | Hour-minute-second format. Same as %H:%M:%S. %X | 00:34:60 | Locale's time representation (e.g., 23:13:48). %r | 12:34:60 AM | Hour-minute-second format in 12-hour clocks. Same as %I:%M:%S %p.

Time zone specifiers

Spec. Example Description

%Z | ACST | Local time zone name. Skips all non-whitespace characters during parsing. %z | +0930 | Offset from the local time to UTC (with UTC being +0000). %:z | +09:30 | Same as %z but with a colon. %#z | +09 | Parsing only: Same as %z but allows minutes to be missing or present.

Date & time specifiers

Spec. Example Description

%c | Sun Jul 8 00:34:60 2001 | Locale's date and time (e.g., Thu Mar 3 23:05:25 2005). %+ | 2001-07-08T00:34:60.026490+09:30 | ISO 8601 / RFC 3339 date & time format. %s | 994518299 | UNIX timestamp, the number of seconds since 1970-01-01 00:00 UTC.

Special specifiers

Spec. Description

%t | Literal tab (\t). %n | Literal newline (\n). %% | Literal percent sign.

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