What is the time difference between Singapore and Honolulu?

Singapore is 18 hours ahead of Honolulu. The gap does not change through the year.

Do Singapore and Honolulu have overlapping working hours?

Yes — 2 hours overlap if both sides work 9:00 to 17:00 local time. That window is where the top-ranked slots on this page come from.

Can I add more people or change the working hours?

Yes. The planner on this page starts with Singapore and Honolulu on 9:00–17:00, and you can change either city's hours, pick a different date, or add up to eight participants. Nothing is sent to a server.

Best time to meet between Singapore and Honolulu

Singapore is 18 hours ahead of Honolulu on 31 July 2026. Their standard working days overlap by 2 hours.

Singapore: UTC+8; Asia/Singapore
Honolulu: UTC-10; Pacific/Honolulu
Shared working hours: 2 hours; at 9:00–17:00 each

Participants

Meeting date

City / timezone

Available from

Available to

City / timezone

Available from

Available to

Best meeting slots

Local timelines — Fri, Jul 31

Each row is one person's 24h day, aligned to the same instants. Times are labelled in each person's own timezone.

Singapore

12am6am12pm6pm

Honolulu

6am12pm6pm12am

NightDawnMorningMiddayEveningLateEveryone freeOff-hours

Best meeting times

Ranked for Friday, 31 July 2026, assuming each person is available 9:00–17:00 in their own local time. Change the date or the hours in the planner above and the ranking updates live.

These cities share 2 hours of overlapping working time, so at least one slot works for everyone with nobody taking an off-hours call.

#	Singapore	Honolulu	Tradeoff	Fairness
1	9:00 AM Fri	3:00 PM Thu	Everyone available	Everyone comfortable
2	9:30 AM Fri	3:30 PM Thu	Everyone available	Everyone comfortable
3	10:00 AM Fri	4:00 PM Thu	Everyone available	Everyone comfortable
4	10:30 AM Fri	4:30 PM Thu	Everyone available	Everyone comfortable
5	11:00 AM Fri	5:00 PM Thu	Everyone available	Everyone comfortable

The full day, side by side

Each row is one person's Friday, in their own local time. Aligned vertically, so any column is the same moment everywhere.

Singapore · Singapore Asia/Singapore

12 AM6 AM12 PM6 PM11 PM

Honolulu · United States Pacific/Honolulu

6 AM12 PM6 PM12 AM5 AM

Solid blocks are working hours; faded blocks are outside them. Colours follow the local time of day.

Daylight saving between Singapore and Honolulu

Neither Singapore nor Honolulu changes its clocks, so the 18 hours gap between them holds all year.

Questions about Singapore ↔ Honolulu meetings

What is the time difference between Singapore and Honolulu?: Singapore is 18 hours ahead of Honolulu. The gap does not change through the year.
Do Singapore and Honolulu have overlapping working hours?: Yes — 2 hours overlap if both sides work 9:00 to 17:00 local time. That window is where the top-ranked slots on this page come from.
Does this account for daylight saving?: Neither Singapore nor Honolulu changes its clocks, so the 18 hours gap between them holds all year.
Can I add more people or change the working hours?: Yes. The planner on this page starts with Singapore and Honolulu on 9:00–17:00, and you can change either city's hours, pick a different date, or add up to eight participants. Nothing is sent to a server.

Or browse every city on the city index, or read the scheduling guides.