Updating current time…
ChST
Chamorro Standard Time
GMT +10
12am
3am
6am
9am
12pm
3pm
6pm
9pm
KOST
Kosrae Time
GMT +11
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

The selected date and time will appear here when the converter loads.

ChST and KOST examples

These examples always use ChST (UTC+10) and KOST (UTC+11). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

ChST is 1 hour behind KOST.

How the time difference changes

ChST is 1 hour behind KOST year-round.

Working hours of 9:00 am to 5:00 pm in ChST correspond to 10:00 am to 6:00 pm in KOST.

Compare ChST time with KOST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Chamorro Standard Time is 1 hour behind Kosrae Time
10:00 pm22:00 in ChST is 11:00 pm23:00 in KOST

ChST to KOST call time
Best time for a conference call or a meeting is between 9am-4pm in ChST which corresponds to 10am-5pm in KOST

10:00 pm22:00 Chamorro Standard Time (ChST). Offset UTC +10:00 hours
11:00 pm23:00 Kosrae Time (KOST). Offset UTC +11:00 hours

10:00 pm22:00 ChST / 11:00 pm23:00 KOST

ChSTKOST
12am (midnight)1am
1am2am
2am3am
3am4am
4am5am
5am6am
6am7am
7am8am
8am9am
9am10am
10am11am
11am12pm (noon)
12pm (noon)1pm
1pm2pm
2pm3pm
3pm4pm
4pm5pm
5pm6pm
6pm7pm
7pm8pm
8pm9pm
9pm10pm
10pm11pm
11pm12am (midnight)
00:0001:00
01:0002:00
02:0003:00
03:0004:00
04:0005:00
05:0006:00
06:0007:00
07:0008:00
08:0009:00
09:0010:00
10:0011:00
11:0012:00
12:0013:00
13:0014:00
14:0015:00
15:0016:00
16:0017:00
17:0018:00
18:0019:00
19:0020:00
20:0021:00
21:0022:00
22:0023:00
23:0000:00

Chamorro Standard Time

Offset: ChST is 10 hours ahead Greenwich Mean Time (GMT) and is used in Pacific

Countries using this time zone: Guam, Northern Mariana Islands

Principal Cities: The largest city in the ChST time zone is Saipan in Northern Mariana Islands, with about 48,220 people. Other major cities in this time zone include Dededo Village, Yigo Village, Tamuning Tumon Harmon Village, Mangilao Village.

Daylight Saving: Clocks in Chamorro Standard Time (ChST) do not change for daylight saving time, so ChST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

ChST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +10 - basic short
  • +1000 - basic
  • +10:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1000 - sign character (+) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates an offset of ten hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Kilo - Military abbreviation for ChST
  • K - short form of 'Kilo'
IANA/Olson: Reflects ChST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Pacific/Guam
  • Pacific/Saipan
Time zones with the GMT +10 offset:
  • AEST - Australian Eastern Standard Time
  • CHUT - Chuuk Time
  • ChST - Chamorro Standard Time
  • K - Kilo Time Zone
  • KDT - Korea Daylight Time
  • PGT - Papua New Guinea Time
  • VLAT - Vladivostok Time
  • YAKST - Yakutsk Summer Time
  • YAPT - Yap Time

Kosrae Time

Offset: KOST is 11 hours ahead Greenwich Mean Time (GMT) and is used in Pacific

Countries using this time zone: Micronesia

Daylight Saving: Clocks in Kosrae Time (KOST) do not change for daylight saving time, so KOST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

KOST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +11 - basic short
  • +1100 - basic
  • +11:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1100 - sign character (+) followed by a four digit time providing hours (11) and minutes (00) of the offset. Indicates an offset of eleven hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Lima - Military abbreviation for KOST
  • L - short form of 'Lima'
Time zones with the GMT +11 offset:
  • AEDT - Australian Eastern Daylight Time
  • BST - Bougainville Standard Time
  • KOST - Kosrae Time
  • L - Lima Time Zone
  • LHDT - Lord Howe Daylight Time
  • MAGT - Magadan Time
  • NCT - New Caledonia Time
  • NFT - Norfolk Time
  • PETT - Kamchatka Time
  • PONT - Pohnpei Standard Time
  • SBT - Solomon IslandsTime
  • VLAST - Vladivostok Summer Time
  • VUT - Vanuatu Time