Updating current time…
ChST
Chamorro Standard Time
GMT +10
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PETST
Kamchatka Summer Time
GMT +12
tomorrow
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 PETST examples

These examples always use ChST (UTC+10) and PETST (UTC+12). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

ChST is 2 hours behind PETST.

How the time difference changes

ChST is 2 hours behind PETST year-round.

Working hours of 9:00 am to 5:00 pm in ChST correspond to 11:00 am to 7:00 pm in PETST.

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

Time Difference

Chamorro Standard Time is 2 hours behind Kamchatka Summer Time
10:00 pm22:00 in ChST is 12:00 am00:00 in PETST

ChST to PETST call time
Best time for a conference call or a meeting is between 9am-3pm in ChST which corresponds to 11am-5pm in PETST

10:00 pm22:00 Chamorro Standard Time (ChST). Offset UTC +10:00 hours
12:00 am00:00 Kamchatka Summer Time (PETST). Offset UTC +12:00 hours

10:00 pm22:00 ChST / 12:00 am00:00 PETST

ChSTPETST
12am (midnight)2am
1am3am
2am4am
3am5am
4am6am
5am7am
6am8am
7am9am
8am10am
9am11am
10am12pm (noon)
11am1pm
12pm (noon)2pm
1pm3pm
2pm4pm
3pm5pm
4pm6pm
5pm7pm
6pm8pm
7pm9pm
8pm10pm
9pm11pm
10pm12am (midnight)
11pm1am
00:0002:00
01:0003:00
02:0004:00
03:0005:00
04:0006:00
05:0007:00
06:0008:00
07:0009:00
08:0010:00
09:0011:00
10:0012:00
11:0013:00
12:0014:00
13:0015:00
14:0016:00
15:0017:00
16:0018:00
17:0019:00
18:0020:00
19:0021:00
20:0022:00
21:0023:00
22:0000:00
23:0001:00

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

Kamchatka Summer Time

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

Countries using this time zone: Russia

Principal Cities: The largest city in the PETST time zone is Petropavlovsk Kamchatsky in Russia, with about 181,216 people. Other major cities in this time zone include Yelizovo, Vilyuchinsk.

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

PETST 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 PETST
  • 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