UTC
Universal Time Coordinated
GMT +0
ADT
Apia Daylight Time
GMT +14

Time Difference

Universal Time Coordinated is 14 hours behind Apia Daylight Time
9:00 am09:00 in UTC is 11:00 pm23:00 in ADT

UTC to ADT call time
Best time for a conference call or a meeting is between 6am-8am in UTC which corresponds to 8pm-10pm in ADT

9:00 am09:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
11:00 pm23:00 Apia Daylight Time (ADT). Offset UTC +14:00 hours

9:00 am09:00 UTC / 11:00 pm23:00 ADT

UTC ADT
12am (midnight) 2pm
1am 3pm
2am 4pm
3am 5pm
4am 6pm
5am 7pm
6am 8pm
7am 9pm
8am 10pm
9am 11pm
10am 12am (midnight)
11am 1am
12pm (noon) 2am
1pm 3am
2pm 4am
3pm 5am
4pm 6am
5pm 7am
6pm 8am
7pm 9am
8pm 10am
9pm 11am
10pm 12pm (noon)
11pm 1pm
0:00 14:00
1:00 15:00
2:00 16:00
3:00 17:00
4:00 18:00
5:00 19:00
6:00 20:00
7:00 21:00
8:00 22:00
9:00 23:00
10:00 0:00
11:00 1:00
12:00 2:00
13:00 3:00
14:00 4:00
15:00 5:00
16:00 6:00
17:00 7:00
18:00 8:00
19:00 9:00
20:00 10:00
21:00 11:00
22:00 12:00
23:00 13:00

Universal Time Coordinated

Offset: UTC is 0 hours ahead Greenwich Mean Time (GMT) and is used in Universal

Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but is used by the scientific community.
UTC is the time standard commonly used across the world since 1972. It is used in many technical fields, like aviation industry and meteorologists, also used to synchronize time across internet networks.

UTC representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates zero hour and zero minutes time differences of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for UTC
  • Z - short form of 'Zulu'
IANA/Olson: Reflects UTC time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Etc/UCT
  • Etc/UTC
  • Etc/Universal
  • Etc/Zulu
  • UCT
  • UTC
  • Universal
  • Zulu
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Universal Time Coordinated
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone

Apia Daylight Time

Offset: ADT is 14 hours ahead Greenwich Mean Time (GMT) and is used in Pacific

ADT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +14 - basic short
  • +1400 - basic
  • +14:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1400 - sign character (+) followed by a four digit time providing hours (14) and minutes (00) of the offset. Indicates fourteen hour and zero minutes time differences to the east of the zero meridian.
ADT Abbreviation: Several time zones share ADT abbreviation and it could refer to these time zones
  • Atlantic Daylight Time - UTC -3
  • Apia Daylight Time - UTC +14
  • Arabian Daylight Time - UTC +4
Time zones with the GMT +14 offset:
  • LINT - Line Islands Time
  • WSDT - West Samoa Daylight Time