Does Honolulu observe daylight saving time?

No. Honolulu stays on HST (UTC-10) all year, so its clocks don't change.

Does Singapore observe daylight saving time?

No. Singapore stays on SGT (UTC+8) all year, so its clocks don't change.

What time is it in Singapore when it's 9 AM in Honolulu?

3:00 AM in Singapore, the next day (Sun, Oct 18, when it's Sat, Oct 17 in Honolulu).

Honolulu to Singapore Meeting Planner

Singapore is 18 hours ahead of Honolulu right now. Their working days overlap for 2 hours today.

Honolulu · United States

3:40 PM

Sat, Oct 17 · HST

Singapore · Singapore

9:40 AM

Sun, Oct 18 · SGT

Best Meeting Times Between Honolulu and Singapore

3:00 PM to 5:00 PM in Honolulu (9:00 AM to 11:00 AM in Singapore). That's when both cities are inside working hours, 9 AM to 5 PM, giving 2 hours of overlap today.

Who's meeting

2 of 4 places

HonoluluOrganizerUnited States ·3:40PMnow
SingaporeSingapore ·9:40AMTomorrow · now

Add a city

Add up to 4 places by city, country, time zone or abbreviation, like Tokyo, India or JST. Press "/" to jump here.

Date in Honolulu

Working hours, everywhere

Best times to meet

Saturday, October 17, 2026, in Honolulu time.

3:00PMBest · OptimalWorking hours in Honolulu (15:00) and Singapore (09:00, next day).
4:00PMOption 2 · OptimalWorking hours in Honolulu (16:00) and Singapore (10:00, next day).
1:00PMOption 3 · GoodWorking hours in Honolulu (13:00); just outside working hours in Singapore (07:00, next day).

The whole day

Pick any slot in the Fit row, or use the arrow keys there, to make it the meeting time.

Each column is a one-hour slot of the first place's day. The Fit row grades how well the slot suits everyone; each row shows the local time and whether it's working hours there.
Fit
HonoluluHST
SingaporeUTC+8
UTC	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09

Working hours (09–17)Just outside (07–09, 17–20)Late evening (20–23)NightFit: optimal, good, possible, poor

Your meeting

Honolulu3:00 PM HSTSat, Oct 17
Singapore9:00 AM UTC+8Sun, Oct 18
UTC2026-10-18 01:00 UTC

What will it cost? Try the meeting cost calculator.

Time difference between Honolulu and Singapore

Singapore is 18 hours ahead of Honolulu right now: Singapore is on SGT (UTC+8) and Honolulu on HST (UTC-10). Neither city changes its clocks, so the gap is the same all year.

Time difference between Honolulu and Singapore over the next 12 months
From	Difference	Why
Now	Singapore 18 hours ahead	—

Honolulu is on Hawaii-Aleutian Standard Time. Singapore is on Singapore Standard Time.

Frequently Asked Questions: Honolulu & Singapore Scheduling

What is the time difference between Honolulu and Singapore?: Singapore is 18 hours ahead of Honolulu right now: Singapore is on SGT (UTC+8) and Honolulu on HST (UTC-10). Neither city changes its clocks, so the gap is the same all year.
What is the best time to schedule a meeting between Honolulu and Singapore?: 3:00 PM to 5:00 PM in Honolulu (9:00 AM to 11:00 AM in Singapore). That's when both cities are inside working hours, 9 AM to 5 PM, giving 2 hours of overlap today.
Does Honolulu observe daylight saving time?: No. Honolulu stays on HST (UTC-10) all year, so its clocks don't change.
Does Singapore observe daylight saving time?: No. Singapore stays on SGT (UTC+8) all year, so its clocks don't change.
What time is it in Singapore when it's 9 AM in Honolulu?: 3:00 AM in Singapore, the next day (Sun, Oct 18, when it's Sat, Oct 17 in Honolulu).

Or see every city pair, or plan with more places in the meeting planner.