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KOST to ANAST Converter

Updating current time…
KOST
Kosrae Time
GMT +11
12am
3am
6am
9am
12pm
3pm
6pm
9pm
ANAST
Anadyr Summer Time
GMT +12
tomorrow
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

11:00 pm23:00 KOST (UTC+11), Oct 12, 2026 = 12:00 am00:00 ANAST (UTC+12), Oct 13, 2026

KOST is 1 hour behind ANAST.

KOST and ANAST examples

These examples always use KOST (UTC+11) and ANAST (UTC+12). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

KOST is 1 hour behind ANAST.

How the time difference changes

KOST is 1 hour behind ANAST year-round.

Working hours of 9:00 am to 5:00 pm in KOST correspond to 10:00 am to 6:00 pm in ANAST.Working hours of 09:00 to 17:00 in KOST correspond to 10:00 to 18:00 in ANAST.

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

Time Difference

Kosrae Time is 1 hour behind Anadyr Summer Time.
11:00 pm23:00 in KOST is 12:00 am00:00 in ANAST

KOST to ANAST call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in KOST which corresponds to 10am-5pm10:00-17:00 in ANAST

11:00 pm23:00 Kosrae Time (KOST). Offset UTC +11:00 hours
12:00 am00:00 Anadyr Summer Time (ANAST). Offset UTC +12:00 hours

11:00 pm23:00 KOST / 12:00 am00:00 ANAST

KOSTANAST
12:00am1:00am
1:00am2:00am
2:00am3:00am
3:00am4:00am
4:00am5:00am
5:00am6:00am
6:00am7:00am
7:00am8:00am
8:00am9:00am
9:00am10:00am
10:00am11:00am
11:00am12:00pm
12:00pm1:00pm
1:00pm2:00pm
2:00pm3:00pm
3:00pm4:00pm
4:00pm5:00pm
5:00pm6:00pm
6:00pm7:00pm
7:00pm8:00pm
8:00pm9:00pm
9:00pm10:00pm
10:00pm11:00pm
11:00pm12:00am
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

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; see upcoming clock changes worldwide.

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

Anadyr Summer Time

Offset: ANAST is 12 hours ahead Greenwich Mean Time (GMT) and is used in Asia

Countries using this time zone: Russia

Daylight Saving: Clocks in Anadyr Summer Time (ANAST) do not change for daylight saving time, so ANAST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

ANAST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +12 - basic short
  • +1200 - basic
  • +12:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1200 - sign character (+) followed by a four digit time providing hours (12) and minutes (00) of the offset. Indicates an offset of twelve hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Mike - Military abbreviation for ANAST
  • M - short form of 'Mike'
Time zones with the GMT +12 offset:
  • ANAST - Anadyr Summer Time
  • ANAT - Anadyr Time
  • FJT - Fiji Time
  • GILT - Gilbert Island Time
  • M - Mike Time Zone
  • MAGST - Magadan Summer Time
  • MHT - Marshall Islands Time
  • NRT - Nauru Time
  • NZST - New Zealand Standard Time
  • PETST - Kamchatka Summer Time
  • TVT - Tuvalu Time
  • WFT - Wallis and Futuna Time
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT