// Copyright 2019 Google LLC.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

syntax = "proto3";

package google.type;

option cc_enable_arenas = true;
option go_package = "google.golang.org/genproto/googleapis/type/date;date";
option java_multiple_files = true;
option java_outer_classname = "DateProto";
option java_package = "com.google.type";
option objc_class_prefix = "GTP";

// Represents a whole or partial calendar date, e.g. a birthday. The time of day
// and time zone are either specified elsewhere or are not significant. The date
// is relative to the Proleptic Gregorian Calendar. This can represent:
//
// * A full date, with non-zero year, month and day values
// * A month and day value, with a zero year, e.g. an anniversary
// * A year on its own, with zero month and day values
// * A year and month value, with a zero day, e.g. a credit card expiration date
//
// Related types are [google.type.TimeOfDay][google.type.TimeOfDay] and `google.protobuf.Timestamp`.
message Date {
  // Year of date. Must be from 1 to 9999, or 0 if specifying a date without
  // a year.
  int32 year = 1;

  // Month of year. Must be from 1 to 12, or 0 if specifying a year without a
  // month and day.
  int32 month = 2;

  // Day of month. Must be from 1 to 31 and valid for the year and month, or 0
  // if specifying a year by itself or a year and month where the day is not
  // significant.
  int32 day = 3;
}