SGT to UTC Time Converter
UTC is 8 hours behind SGT. SGT is UTC+8:00, and UTC is the zero point, UTC±00:00.
Best Time to Call Between SGT and UTC
Standard 9-to-5 hours in these two zones never overlap, so someone has to take the call outside their working day. The most workable window is 3:00 PM to 10:00 PM SGT, which is 7:00 AM to 2:00 PM UTC.
both at work SGT only UTC only neither — hours along the strip are SGT.
Common Times Converted
SGT on the left, UTC on the right.
SGT to UTC: Full 24-Hour Conversion Table
Shaded rows are working hours; the darker shade marks the hours when both zones are at work.
| SGT | UTC | Working hours |
|---|---|---|
| 12:00 AM | 4:00 PM prev day | UTC only |
| 1:00 AM | 5:00 PM prev day | — |
| 2:00 AM | 6:00 PM prev day | — |
| 3:00 AM | 7:00 PM prev day | — |
| 4:00 AM | 8:00 PM prev day | — |
| 5:00 AM | 9:00 PM prev day | — |
| 6:00 AM | 10:00 PM prev day | — |
| 7:00 AM | 11:00 PM prev day | — |
| 8:00 AM | 12:00 AM | — |
| 9:00 AM | 1:00 AM | SGT only |
| 10:00 AM | 2:00 AM | SGT only |
| 11:00 AM | 3:00 AM | SGT only |
| 12:00 PM | 4:00 AM | SGT only |
| 1:00 PM | 5:00 AM | SGT only |
| 2:00 PM | 6:00 AM | SGT only |
| 3:00 PM | 7:00 AM | SGT only |
| 4:00 PM | 8:00 AM | SGT only |
| 5:00 PM | 9:00 AM | UTC only |
| 6:00 PM | 10:00 AM | UTC only |
| 7:00 PM | 11:00 AM | UTC only |
| 8:00 PM | 12:00 PM | UTC only |
| 9:00 PM | 1:00 PM | UTC only |
| 10:00 PM | 2:00 PM | UTC only |
| 11:00 PM | 3:00 PM | UTC only |
What SGT and UTC Actually Are
SGT — Singapore Time
Singapore. Standing at UTC+8:00 as written, and the region does not change its clocks, so that offset holds all year.
Singapore sits at a longitude that would put it near UTC+7, but moved to UTC+8 in 1982 to align with Malaysia and Hong Kong — a trade decision rather than a solar one.
UTC — Coordinated Universal Time
The global reference standard. Aviation, computing and science run on it. Standing at UTC as written, and the region does not change its clocks, so that offset holds all year.
UTC is not a place. It is a computed standard, kept within a second of mean solar time at Greenwich by atomic clocks, and it is the reference every other zone is defined against.
What This Means in Practice
A gap you can rely on
Neither region changes its clocks, so this difference holds every day of the year. A recurring meeting booked once stays correct — worth knowing, because most cross-border pairs cannot say that.
Major Cities in Each Zone
Cities on SGT
Frequently Asked Questions
What is the time difference between SGT and UTC?
UTC is 8 hours behind SGT.
What is 9:00 AM SGT in UTC?
9:00 AM SGT is 1:00 AM UTC.
What are the best hours to schedule a call between SGT and UTC?
Standard business hours in these two zones do not overlap at all, so one side has to work outside the 9-to-5. The most workable window is 3:00 PM to 10:00 PM SGT, which is 7:00 AM to 2:00 PM UTC.
Does the difference between SGT and UTC change during the year?
No. Neither region changes its clocks, so this gap is fixed all year round.