HDT to X Converter
HDT is not used on this date
This converter keeps HDT at UTC−9. Honolulu uses HST (UTC−10) on this date. Open the HST converter, or choose Honolulu, Pearl City, or Hilo for city-specific time.Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
3:00 am03:00 HDT (UTC-9), Oct 23, 2026 = 1:00 am01:00 X (UTC-11), Oct 23, 2026
HDT is 2 hours ahead of X.
HDT and X examples
These examples always use HDT (UTC-9) and X (UTC-11). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
HDT is 2 hours ahead of X.
How the time difference changes
HDT is 2 hours ahead of X year-round.
Working hours of 9:00 am to 6:00 pm in HDT correspond to 7:00 am to 4:00 pm in X.Working hours of 09:00 to 18:00 in HDT correspond to 07:00 to 16:00 in X.
Compare HDT time with X time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Hawaii Daylight Time is 2 hours ahead of X-ray Time Zone.
3:00 am03:00 in HDT is 1:00 am01:00 in X
HDT to X call time
Best time for a conference call or a meeting is between 11am-6pm11:00-18:00 in HDT which corresponds to 9am-4pm09:00-16:00 in X
3:00 am03:00 Hawaii Daylight Time (HDT). Offset UTC -9:00 hours
1:00 am01:00 X-ray Time Zone (X). Offset UTC -11:00 hours
3:00 am03:00 HDT / 1:00 am01:00 X
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| HDT | X |
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Hawaii Daylight Time
Offset: HDT is 9 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: United States
Today all shaded areas are on HDT.
HDT 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 HDT
- V - short form of 'Victor'
- America/Adak
- America/Atka
- US/Aleutian
- 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
X-ray Time Zone
Offset: X is 11 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: American Samoa, Niue, United States Minor Outlying Islands
Principal Cities: The largest city in the X time zone is Pago Pago in American Samoa, with about 11,500 people. Other major cities in this time zone include Tāfuna, Nu‘uuli, Leone, Faleniu.
Daylight Saving: Clocks in X-ray Time Zone (X) do not change for daylight saving time, so X stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
X representations, usage and related time zones
- -11 - basic short
- -1100 - basic
- -11:00 - extended
- -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 west of the zero meridian.
- X-ray - Military abbreviation for X
- X - short form of 'X-ray'
- NUT - Niue Time
- SST - Samoa Standard Time
- X - X-ray Time Zone