SGT to Portsmouth Time Converter
GMT is 8 hours behind SGT. 9:00 AM SGT = 1:00 AM GMT.
GMT is 8 hours behind SGT at the moment. To convert SGT to Portsmouth Time, subtract 8 hours from the SGT time: 9:00 AM SGT = 1:00 AM GMT.
SGT (Singapore Time) is used in Singapore. Portsmouth Time (Portsmouth time) is used in Portsmouth, UK.
SGT to Portsmouth Time time conversion table
SGT to Portsmouth Time on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| SGT | Portsmouth Time |
|---|---|
| 12:00 AM | 4:00 PM−1 |
| 1:00 AM | 5:00 PM−1 |
| 2:00 AM | 6:00 PM−1 |
| 3:00 AM | 7:00 PM−1 |
| 4:00 AM | 8:00 PM−1 |
| 5:00 AM | 9:00 PM−1 |
| 6:00 AM | 10:00 PM−1 |
| 7:00 AM | 11:00 PM−1 |
| SGT | Portsmouth Time |
|---|---|
| 8:00 AM | 12:00 AM |
| 9:00 AM | 1:00 AM |
| 10:00 AM | 2:00 AM |
| 11:00 AM | 3:00 AM |
| 12:00 PM | 4:00 AM |
| 1:00 PM | 5:00 AM |
| 2:00 PM | 6:00 AM |
| 3:00 PM | 7:00 AM |
| SGT | Portsmouth Time |
|---|---|
| 4:00 PM | 8:00 AM |
| 5:00 PM | 9:00 AM |
| 6:00 PM | 10:00 AM |
| 7:00 PM | 11:00 AM |
| 8:00 PM | 12:00 PM |
| 9:00 PM | 1:00 PM |
| 10:00 PM | 2:00 PM |
| 11:00 PM | 3:00 PM |
Conversion table from SGT to Portsmouth Time for 7 Nov 2026. A tick marks hours that fall between 9 AM and 5 PM in both places. +1 means the next day in Portsmouth Time, −1 the previous day.
- ✓ marks 9 AM–5 PM in both places
- Greyed times are night in the destination (10 PM–6 AM)
How to convert SGT to Portsmouth Time
Subtract 8 hours from the SGT time to get Portsmouth Time.
Example: 9:00 AM SGT = 1:00 AM GMT.
Across midnight: 1:00 AM SGT = 5:00 PM GMT (previous day). The date changes, so always check the day as well as the hour.
Time difference between SGT and Portsmouth Time
The time difference between SGT and Portsmouth Time is not the same all year, because the two sides change for daylight saving time on different dates. In 2026 it works out like this:
- 1 Jan 2026 – 28 Mar 2026: Portsmouth Time is 8 hours behind of SGT.
- 29 Mar 2026 – 24 Oct 2026: Portsmouth Time is 7 hours behind of SGT.
- 25 Oct 2026 – 31 Dec 2026: Portsmouth Time is 8 hours behind of SGT.
SGT and Portsmouth Time during daylight saving time
- SGT does not observe daylight saving time; it stays on UTC+8 all year.
- Portsmouth Time next changes on 28 Mar 2027: clocks go forward one hour at 00:59 local time, from GMT (UTC+0) to BST (UTC+1).
Best time for a meeting between SGT and Portsmouth Time
SGT and Portsmouth Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 3:00 PM SGT, which is 7:00 AM GMT.
SGT to Portsmouth Time FAQ
What is the time difference between SGT and Portsmouth Time?
Right now GMT is 8 hours behind SGT. The gap changes 3 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM SGT in Portsmouth Time?
9:00 AM SGT is 1:00 AM GMT.
What is 12 PM (noon) SGT in Portsmouth Time?
12:00 PM SGT is 4:00 AM GMT.
Is Portsmouth Time ahead of or behind SGT?
GMT is 8 hours behind SGT, so it is earlier in Portsmouth Time than in SGT.
Does SGT change for daylight saving time?
No. SGT stays on the same offset all year, so conversions never shift for daylight saving time.
Does Portsmouth Time change for daylight saving time?
Yes. Portsmouth Time next changes on 28 Mar 2027, when clocks go forward one hour from GMT to BST.
What is the best time for a meeting between SGT and Portsmouth Time?
SGT and Portsmouth Time have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 3:00 PM SGT, which is 7:00 AM GMT.
Related conversions
Convert Portsmouth Time to SGT
Convert SGT to other time zones
Convert other time zones to Portsmouth Time
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.