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PETST
Kamchatka Summer Time
GMT +12
12am
3am
6am
9am
12pm
3pm
6pm
9pm
LHST
Lord Howe Standard Time
GMT +10:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Depending on seasonal clock changes, PETST is 1 hour ahead of LHDT or PETST is 1 hour and 30 minutes ahead of LHST.

Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in PETST correspond to 8:00 am to 4:00 pm in LHDT or working hours of 9:00 am to 5:00 pm in PETST correspond to 7:30 am to 3:30 pm in LHST.

For example, 6:00 pm PETST is 4:30 pm LHST. Use the converter above to adjust the date or time and create a shareable meeting link.

Best meeting overlap: 10:30am-5pm PETST, which is 9am-3:30pm LHST.

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

Time Difference

Kamchatka Summer Time is 1 hour and 30 minutes ahead of Lord Howe Standard Time
6:00 pm18:00 in PETST is 4:30 pm16:30 in LHST

PETST to LHST call time
Best time for a conference call or a meeting is between 10:30am-5pm in PETST which corresponds to 9am-3:30pm in LHST

6:00 pm18:00 Kamchatka Summer Time (PETST). Offset UTC +12:00 hours
4:30 pm16:30 Lord Howe Standard Time (LHST). Offset UTC +10:30 hours

6:00 pm18:00 PETST / 4:30 pm16:30 LHST

PETSTLHST
12am (midnight)10:30 pm
1am11:30 pm
2am12:30 am
3am1:30 am
4am2:30 am
5am3:30 am
6am4:30 am
7am5:30 am
8am6:30 am
9am7:30 am
10am8:30 am
11am9:30 am
12pm (noon)10:30 am
1pm11:30 am
2pm12:30 pm
3pm1:30 pm
4pm2:30 pm
5pm3:30 pm
6pm4:30 pm
7pm5:30 pm
8pm6:30 pm
9pm7:30 pm
10pm8:30 pm
11pm9:30 pm
00:0022:30
01:0023:30
02:0000:30
03:0001:30
04:0002:30
05:0003:30
06:0004:30
07:0005:30
08:0006:30
09:0007:30
10:0008:30
11:0009:30
12:0010:30
13:0011:30
14:0012:30
15:0013:30
16:0014:30
17:0015:30
18:0016:30
19:0017:30
20:0018:30
21:0019:30
22:0020:30
23:0021:30

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 187,282 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

Lord Howe Standard Time

Offset: LHST is 10 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Australia

Countries using this time zone: Australia

LHST Time Zone Geo Map
LHST timezone map

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Lord Howe Daylight Time (LHDT).

Start: Lord Howe Standard Time (LHST) started on Sunday, April 5, 2026 at 2:00 am local time and clocks were set one hour back to Sunday, April 5, 2026, 1:30 am. Standard time starts annually on the first Sunday of April.

End: Lord Howe Standard Time (LHST) ends on Sunday, October 4, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, October 4, 2026, 2:30 am local daylight time instead. Standard time ends annually on the first Sunday of October.

LHST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +1030 - basic
  • +10:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1030 - sign character (+) followed by a four digit time providing hours (10) and minutes (30) of the offset. Indicates an offset of ten hours and thirty minutes to the east of the zero meridian.
Time zones with the GMT +10:30 offset:
  • ACDT - Australian Central Daylight Time
  • LHST - Lord Howe Standard Time