Time Difference Between United States and Singapore
As of 31 August 2026, Singapore is 12 hours ahead of United States. That number is not constant. Over the course of a year, because of daylight saving changes, Singapore ranges from 12 hours ahead to 13 hours ahead relative to New York, United States. The calculator below is always up to date.
Tap either box to search any country or city.
New York, United States
18:34
Mon, Aug 31, 2026
UTC-4 · EDT · America/New_York
Singapore
+12h06:34
Tue, Sep 1, 2026
UTC+8 · Asia/Singapore
Singapore is 12 hours ahead of United States.
When it is 18:34 in United States, it is already the next day in Singapore.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| United States | Monday, August 31, 2026 | EDTAmerica/New_York | UTC-4 | Active now |
| Singapore | Tuesday, September 1, 2026 | Asia/Singapore | UTC+8 | Not observed |
United States: The United States spans six main time zones. This page uses Eastern Time; Pacific Time is 3 hours behind it.
Hour by hour: United States to Singapore
Every hour of today in United States and what it is in Singapore. Highlighted rows fall inside Singapore working hours (09:00–18:00).
| United States | Singapore |
|---|---|
| 00:00 | 12:00 |
| 01:00 | 13:00 |
| 02:00 | 14:00 |
| 03:00 | 15:00 |
| 04:00 | 16:00 |
| 05:00 | 17:00 |
| 06:00 | 18:00 |
| 07:00 | 19:00 |
| 08:00 | 20:00 |
| 09:00 | 21:00 |
| 10:00 | 22:00 |
| 11:00 | 23:00 |
| United States | Singapore |
|---|---|
| 12:00 | 00:00next day |
| 13:00 | 01:00next day |
| 14:00 | 02:00next day |
| 15:00 | 03:00next day |
| 16:00 | 04:00next day |
| 17:00 | 05:00next day |
| 18:00 | 06:00next day |
| 19:00 | 07:00next day |
| 20:00 | 08:00next day |
| 21:00 | 09:00next day |
| 22:00 | 10:00next day |
| 23:00 | 11:00next day |
Best time to call or meet
Overlapping working hours
No overlap
Standard working hours in United States and Singapore never overlap. Someone has to start early or finish late — the calling window below is the practical compromise.
Reasonable calling hours
08:00–09:00 in United States (20:00–21:00 in Singapore)
Both people are awake and available between 08:00 and 21:00 local time during this window.
When this difference changes
United States puts its clocks back on Sunday, November 1, 2026
The local offset moves from UTC-4 to UTC-5. After that date, Singapore is 13 hours ahead of United States — instead of 12 hours ahead, as it is today.
Planning something with more than two places?
Adding a third city usually kills the obvious answer. The Meeting Time Finder takes up to five cities at once and shows only the hours that work for everybody.
United States and Singapore: common questions
What is the time difference between United States and Singapore?
As of 31 August 2026, Singapore is 12 hours ahead of United States. The gap is not fixed: across the year, Singapore ranges from 12 hours ahead to 13 hours ahead relative to United States, as clocks change. The calculator on this page always shows the difference for right now.
When it is 9:00 AM in United States, what time is it in Singapore?
It is 09:00 PM in Singapore. Use the time field in the calculator above to check any other hour.
Is Singapore ahead of or behind United States?
Singapore is ahead of United States by 12 hours at the moment. In practical terms, the working day in Singapore starts and ends earlier in United States terms.
Do United States and Singapore observe daylight saving time?
United States changes its clocks twice a year; Singapore does not. The difference therefore shifts by an hour when United States switches: across the year, Singapore ranges from 12 hours ahead to 13 hours ahead relative to United States.
What is the best time to call Singapore from United States?
Standard working hours in United States and Singapore do not overlap at all, so one side has to take the call outside office hours. Early morning in United States or late evening is usually the least disruptive option.
Related comparisons
Local dates shown for New York, United States (UTC-4) and Singapore (UTC+8) were generated on Monday, August 31, 2026 UTC and refresh in your browser.