HADT to MART Converter
Quick answers
Selected conversion
3:00 am03:00 HADT (UTC-9), Oct 8, 2026 = 2:30 am02:30 MART (UTC-9:30), Oct 8, 2026
HADT is 30 minutes ahead of MART.
HADT and MART examples
These examples always use HADT (UTC-9) and MART (UTC-9:30). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
HADT is 30 minutes ahead of MART.
How the time difference changes
For most of the year, HADT is 30 minutes ahead of MART. At other times of the year, HST is 30 minutes behind MART.
For most of the year, working hours of 9:00 am to 5:00 pm in HADT correspond to 8:30 am to 4:30 pm in MART. At other times of the year, working hours of 9:00 am to 5:00 pm in HST correspond to 9:30 am to 5:30 pm in MART.For most of the year, working hours of 09:00 to 17:00 in HADT correspond to 08:30 to 16:30 in MART. At other times of the year, working hours of 09:00 to 17:00 in HST correspond to 09:30 to 17:30 in MART.
Compare HADT time with MART time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Hawaii-Aleutian Daylight Time is 30 minutes ahead of Marquesas Time.
3:00 am03:00 in HADT is 2:30 am02:30 in MART
HADT to MART call time
Best time for a conference call or a meeting is between 9:30am-5pm09:30-17:00 in HADT which corresponds to 9am-4:30pm09:00-16:30 in MART
3:00 am03:00 Hawaii-Aleutian Daylight Time (HADT). Offset UTC -9:00 hours
2:30 am02:30 Marquesas Time (MART). Offset UTC -9:30 hours
3:00 am03:00 HADT / 2:30 am02:30 MART
| HADT | MART |
|---|---|
| 12:00am | 11:30pm |
| 1:00am | 12:30am |
| 2:00am | 1:30am |
| 3:00am | 2:30am |
| 4:00am | 3:30am |
| 5:00am | 4:30am |
| 6:00am | 5:30am |
| 7:00am | 6:30am |
| 8:00am | 7:30am |
| 9:00am | 8:30am |
| 10:00am | 9:30am |
| 11:00am | 10:30am |
| 12:00pm | 11:30am |
| 1:00pm | 12:30pm |
| 2:00pm | 1:30pm |
| 3:00pm | 2:30pm |
| 4:00pm | 3:30pm |
| 5:00pm | 4:30pm |
| 6:00pm | 5:30pm |
| 7:00pm | 6:30pm |
| 8:00pm | 7:30pm |
| 9:00pm | 8:30pm |
| 10:00pm | 9:30pm |
| 11:00pm | 10:30pm |
| 00:00 | 23:30 |
| 01:00 | 00:30 |
| 02:00 | 01:30 |
| 03:00 | 02:30 |
| 04:00 | 03:30 |
| 05:00 | 04:30 |
| 06:00 | 05:30 |
| 07:00 | 06:30 |
| 08:00 | 07:30 |
| 09:00 | 08:30 |
| 10:00 | 09:30 |
| 11:00 | 10:30 |
| 12:00 | 11:30 |
| 13:00 | 12:30 |
| 14:00 | 13:30 |
| 15:00 | 14:30 |
| 16:00 | 15:30 |
| 17:00 | 16:30 |
| 18:00 | 17:30 |
| 19:00 | 18:30 |
| 20:00 | 19:30 |
| 21:00 | 20:30 |
| 22:00 | 21:30 |
| 23:00 | 22:30 |
Hawaii-Aleutian Daylight Time
Offset: HADT is 9 hours behind Greenwich Mean Time (GMT) and is used in North America
Daylight Saving: Hawaii-Aleutian Daylight Time (HADT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Hawaii-Aleutian Standard Time (HAST).
Start: Hawaii-Aleutian Daylight Time (HADT) started on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.
End: Hawaii-Aleutian Daylight Time (HADT) ends on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.
HADT representations, usage and related time zones
- -09 - basic short
- -0900 - basic
- -09:00 - extended
- -0900 - sign character (-) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates an offset of nine hours to the west of the zero meridian.
- Victor - Military abbreviation for HADT
- V - short form of 'Victor'
- AKST - Alaska Standard Time
- AHDT - Alaska-Hawaii Daylight Time
- HADT - Hawaii-Aleutian Daylight Time
- GAMT - Gambier Time
- HDT - Hawaii Daylight Time
- V - Victor 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; see upcoming clock changes worldwide.
MART representations, usage and related time zones
- -0930 - basic
- -09:30 - extended
- -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.