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If a time zone designator is required, it follows the combined date and time. For example, "2007-04-05T14:30Z" or "2007-04-05T12:30−02:00". Either basic or extended formats may be used, but both date and time must use the same format. The date expression may be calendar, week, or ordinal, and must use a complete representation.
All examples use example date 2021-03-31 / 2021 March 31 / 31 March 2021 / March 31, 2021 – except where a single-digit day is illustrated. Basic components of a calendar date for the most common calendar systems: D – day; M – month; Y – year; Specific formats for the basic components: yy – two-digit year, e.g. 24; yyyy – four-digit ...
Such designations can be ambiguous; for example, "CST" can mean China Standard Time (UTC+08:00), Cuba Standard Time (UTC−05:00), and (North American) Central Standard Time (UTC−06:00), and it is also a widely used variant of ACST (Australian Central Standard Time, UTC+9:30). Such designations predate both ISO 8601 and the internet era; in ...
In communications messages, a date-time group (DTG) is a set of characters, usually in a prescribed format, used to express the year, the month, the day of the month, the hour of the day, the minute of the hour, and the time zone, if different from Coordinated Universal Time (UTC).
No description. Template parameters [Edit template data] Parameter Description Type Status time zone 1 The time zone for the time formatting Example EST String suggested date format 2 df The format to render the date and time Example dmy12 Unknown suggested Daylight savings time dst no description Example yes String optional ISO 639 language code lang displays time/date in language specified ...
The 12-hour notation is widely used in daily life, written communication, and is used in spoken language. The 24-hour notation is typically used in transportation scheduling (Example: Railway timetables and plane departure and landing timing) and also used in Military. HH:MM:SS time format is used.
In traditional American usage, dates are written in the month–day–year order (e.g. February 23, 2025) with a comma before and after the year if it is not at the end of a sentence [2] and time in 12-hour notation (4:14 am). International date and time formats typically follow the ISO 8601 format (2025-02-23) for all-numeric dates, [3] write ...
The Eastern Time Zone (ET) is a time zone encompassing part or all of 23 states in the eastern part of the United States, parts of eastern Canada, and the state of Quintana Roo in Mexico. Eastern Standard Time (EST) is five hours behind Coordinated Universal Time (UTC−05:00).