Time in Diamond Head / Kapahulu / Saint Louis Heights, Hawaii right now
Diamond Head / Kapahulu / Saint Louis Heights, Hawaii stays on Hawaii-Aleutian Time (UTC-10) all year. The live clock above updates every minute for the exact coordinates of Diamond Head / Kapahulu / Saint Louis Heights.
- State
- Hawaii
- Time zone
- Hawaii-Aleutian Time
- Offset from UTC now
- Daylight saving time
- No, same time all year
- Population
- 19,769
- Coordinates
- 21.2770° N, 157.8113° W
Sunrise and sunset times in Diamond Head / Kapahulu / Saint Louis Heights today.
Worked out for 21.2770° N, 157.8113° W from the position of the sun, and updated every minute. On the longest day of 2026 the sun is up in Diamond Head / Kapahulu / Saint Louis Heights for 13h 26m, and on the shortest day for 10h 50m.
- Sunrise
- Sunset
- Day length
- Solar noon
- Moon phase
- Moon lit
Time difference between Diamond Head / Kapahulu / Saint Louis Heights and other cities.
Diamond Head / Kapahulu / Saint Louis Heights is 5 hours behind New York in winter and 6 hours behind New York in summer, so plan calls to the East Coast with that gap in mind.
| City | Time zone | Local time | From Diamond Head / Kapahulu / Saint Louis Heights |
|---|---|---|---|
| New York | Eastern Time | --:-- | |
| Chicago | Central Time | --:-- | |
| Denver | Mountain Time | --:-- | |
| Phoenix | Mountain Time without daylight saving | --:-- | |
| Los Angeles | Pacific Time | --:-- | |
| Honolulu | Hawaii-Aleutian Time | --:-- | |
| London | United Kingdom | --:-- | |
| Dubai | United Arab Emirates | --:-- | |
| Tokyo | Japan | --:-- | |
| Sydney | Australia | --:-- |
Diamond Head / Kapahulu / Saint Louis Heights time zone and daylight saving time.
Diamond Head / Kapahulu / Saint Louis Heights does not change its clocks. Hawaii stays on UTC-10 through all of 2026. Clock change dates come from the IANA time zone database.
- 8 March 2026 Clocks go forward 1 hour Daylight saving time starts at 2:00 local time
- 1 November 2026 Clocks go back 1 hour Daylight saving time ends at 2:00 local time
- 14 March 2027 Clocks go forward 1 hour Daylight saving time starts at 2:00 local time
- 7 November 2027 Clocks go back 1 hour Daylight saving time ends at 2:00 local time
Because the clocks never change here, the gap to cities that do change grows by one hour every summer.
Quick answers about time in Diamond Head / Kapahulu / Saint Louis Heights.
Direct answers on Diamond Head / Kapahulu / Saint Louis Heights time, the Hawaii-Aleutian Time zone, UTC offsets, the 2026 clock change dates and the closest towns.
01
What time is it in Diamond Head / Kapahulu / Saint Louis Heights right now?
Diamond Head / Kapahulu / Saint Louis Heights is on Hawaii-Aleutian Time, UTC-10 all year. The live clock at the top of this page updates every minute.
02
What time zone is Diamond Head / Kapahulu / Saint Louis Heights in?
Diamond Head / Kapahulu / Saint Louis Heights uses Hawaii-Aleutian Time (HAT), staying at UTC-10 year round with no daylight saving change.
03
Does Diamond Head / Kapahulu / Saint Louis Heights observe daylight saving time?
No. Diamond Head / Kapahulu / Saint Louis Heights does not observe daylight saving time and stays on UTC-10 all through 2026.
04
What time does the sun rise in Diamond Head / Kapahulu / Saint Louis Heights?
On the longest day of 2026 the sun rises at 05:50 and sets at 19:15 in Diamond Head / Kapahulu / Saint Louis Heights. On the shortest day it rises at 07:03 and sets at 17:54.
05
How long is the longest day in Diamond Head / Kapahulu / Saint Louis Heights?
The sun is up for 13h 26m on the June solstice and for 10h 50m on the December solstice.
06
What is the time difference between Diamond Head / Kapahulu / Saint Louis Heights and New York?
Diamond Head / Kapahulu / Saint Louis Heights is 5 hours behind New York in winter and 6 hours behind New York in summer.
07
What is the time difference between Diamond Head / Kapahulu / Saint Louis Heights and London?
Diamond Head / Kapahulu / Saint Louis Heights is 10 hours behind London in winter and 11 hours behind London in summer. The gap changes for a few weeks each spring and autumn, because the United States and the United Kingdom change their clocks on different dates.
08
How many people live in Diamond Head / Kapahulu / Saint Louis Heights?
Diamond Head / Kapahulu / Saint Louis Heights has about 19,769 people, based on the 2026 GeoNames population update.
09
Where is Diamond Head / Kapahulu / Saint Louis Heights, Hawaii?
Diamond Head / Kapahulu / Saint Louis Heights sits at 21.2770° N, 157.8113° W in Hawaii, about 4 miles from Honolulu, in the UTC-10 zone.
10
Which places are closest to Diamond Head / Kapahulu / Saint Louis Heights?
The closest places listed are Waikīkī, 2 miles away, Manoa, 3 miles away and Makiki / Lower Punchbowl / Tantalus, 3 miles away. Each one shows its own local time on this page, all in the UTC-10 zone as Diamond Head / Kapahulu / Saint Louis Heights.