CKT
Cook Island Time
GMT -10
12am
3am
6am
9am
12pm
3pm
6pm
9pm
MART
Marquesas Time
GMT -9:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

CKT is 30 minutes behind MART. CKT uses GMT -10, and MART uses GMT -9:30 for this comparison.

For example, 2:00 am CKT is 2:30 am MART. Use the converter above to adjust the date or time and create a shareable meeting link.

Best meeting overlap: 9am-4:30pm CKT, which is 9:30am-5pm MART.

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

Time Difference

Cook Island Time is 0 hours and 30 minutes behind Marquesas Time
2:00 am02:00 in CKT is 2:30 am02:30 in MART

CKT to MART call time
Best time for a conference call or a meeting is between 9am-4:30pm in CKT which corresponds to 9:30am-5pm in MART

2:00 am02:00 Cook Island Time (CKT). Offset UTC -10:00 hours
2:30 am02:30 Marquesas Time (MART). Offset UTC -9:30 hours

2:00 am02:00 CKT / 2:30 am02:30 MART

CKTMART
12am (midnight)12:30 am
1am1:30 am
2am2:30 am
3am3:30 am
4am4:30 am
5am5:30 am
6am6:30 am
7am7:30 am
8am8:30 am
9am9:30 am
10am10:30 am
11am11:30 am
12pm (noon)12:30 pm
1pm1:30 pm
2pm2:30 pm
3pm3:30 pm
4pm4:30 pm
5pm5:30 pm
6pm6:30 pm
7pm7:30 pm
8pm8:30 pm
9pm9:30 pm
10pm10:30 pm
11pm11:30 pm
00:0000:30
01:0001:30
02:0002:30
03:0003:30
04:0004:30
05:0005:30
06:0006:30
07:0007:30
08:0008:30
09:0009:30
10:0010:30
11:0011:30
12:0012:30
13:0013:30
14:0014:30
15:0015:30
16:0016:30
17:0017:30
18:0018:30
19:0019:30
20:0020:30
21:0021:30
22:0022:30
23:0023:30

Cook Island Time

Offset: CKT is 10 hours behind Greenwich Mean Time (GMT) and is used in Pacific

Countries using this time zone: Cook Islands

Principal Cities: The largest city in the CKT time zone is Avarua in Cook Islands, with about 13,373 people.

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

CKT Time Zone Geo Map
CKT timezone map

CKT 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 west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Whiskey - Military abbreviation for CKT
  • W - short form of 'Whiskey'
Time zones with the GMT -10 offset:
  • HAST - Hawaii-Aleutian Standard Time
  • CKT - Cook Island Time
  • HST - Hawaii Standard Time
  • TAHT - Tahiti Time
  • W - Whiskey Time Zone

Marquesas Time

Offset: MART is 9 hours and 30 minutes behind Greenwich Mean Time (GMT) and is used in Pacific

Countries using this time zone: French Polynesia

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

MART Time Zone Geo Map
MART timezone map

MART representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -0930 - basic
  • -09:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0930 - sign character (-) followed by a four digit time providing hours (09) and minutes (30) of the offset. Indicates an offset of nine hours and thirty minutes to the west of the zero meridian.