Portsmouth Time to AEST Converter
AEDT is 11 hours ahead of GMT. 9:00 AM GMT = 8:00 PM AEDT.
AEDT is 11 hours ahead of GMT at the moment. To convert Portsmouth Time to AEST, add 11 hours to the Portsmouth Time time: 9:00 AM GMT = 8:00 PM AEDT.
Portsmouth Time (Portsmouth time) is used in Portsmouth, UK. AEST (Australian Eastern Time) is used in New South Wales, Victoria, Tasmania, ACT; Queensland (Brisbane) all year.
Queensland stays on AEST all year. AEST (Australian Eastern Standard Time) is not in force right now: New South Wales is currently on AEDT. This page uses whichever name applies on the date you pick, so the numbers below say AEDT.
Portsmouth Time to AEST time conversion table
Portsmouth Time to AEST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Portsmouth Time | AEST |
|---|---|
| 12:00 AM | 11:00 AM |
| 1:00 AM | 12:00 PM |
| 2:00 AM | 1:00 PM |
| 3:00 AM | 2:00 PM |
| 4:00 AM | 3:00 PM |
| 5:00 AM | 4:00 PM |
| 6:00 AM | 5:00 PM |
| 7:00 AM | 6:00 PM |
| Portsmouth Time | AEST |
|---|---|
| 8:00 AM | 7:00 PM |
| 9:00 AM | 8:00 PM |
| 10:00 AM | 9:00 PM |
| 11:00 AM | 10:00 PM |
| 12:00 PM | 11:00 PM |
| 1:00 PM | 12:00 AM+1 |
| 2:00 PM | 1:00 AM+1 |
| 3:00 PM | 2:00 AM+1 |
| Portsmouth Time | AEST |
|---|---|
| 4:00 PM | 3:00 AM+1 |
| 5:00 PM | 4:00 AM+1 |
| 6:00 PM | 5:00 AM+1 |
| 7:00 PM | 6:00 AM+1 |
| 8:00 PM | 7:00 AM+1 |
| 9:00 PM | 8:00 AM+1 |
| 10:00 PM | 9:00 AM+1 |
| 11:00 PM | 10:00 AM+1 |
Conversion table from Portsmouth Time to AEST 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 AEST, −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 Portsmouth Time to AEST
Add 11 hours to the Portsmouth Time time to get AEST.
Example: 9:00 AM GMT = 8:00 PM AEDT.
Across midnight: 10:00 PM GMT = 9:00 AM AEDT (next day). The date changes, so always check the day as well as the hour.
Time difference between Portsmouth Time and AEST
The time difference between Portsmouth Time and AEST 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: AEST is 11 hours ahead of Portsmouth Time.
- 29 Mar 2026 – 3 Apr 2026: AEST is 10 hours ahead of Portsmouth Time.
- 4 Apr 2026 – 2 Oct 2026: AEST is 9 hours ahead of Portsmouth Time.
- 3 Oct 2026 – 24 Oct 2026: AEST is 10 hours ahead of Portsmouth Time.
- 25 Oct 2026 – 31 Dec 2026: AEST is 11 hours ahead of Portsmouth Time.
Portsmouth Time and AEST during daylight saving time
- 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).
- AEST next changes on 4 Apr 2027: clocks go back one hour at 02:59 local time, from AEDT (UTC+11) to AEST (UTC+10).
Best time for a meeting between Portsmouth Time and AEST
Portsmouth Time and AEST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM GMT, which is 6:00 PM AEDT.
Portsmouth Time to AEST FAQ
What is the time difference between Portsmouth Time and AEST?
Right now AEDT is 11 hours ahead of GMT. The gap changes 5 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM Portsmouth Time in AEST?
9:00 AM GMT is 8:00 PM AEDT.
What is 12 PM (noon) Portsmouth Time in AEST?
12:00 PM GMT is 11:00 PM AEDT.
Is AEST ahead of or behind Portsmouth Time?
AEDT is 11 hours ahead of GMT, so it is later in AEST than in Portsmouth 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.
Does AEST change for daylight saving time?
Yes. AEST next changes on 4 Apr 2027, when clocks go back one hour from AEDT to AEST.
What is the best time for a meeting between Portsmouth Time and AEST?
Portsmouth Time and AEST have no shared 9 AM–5 PM window. The earliest slot that is reasonable on both sides is 7:00 AM GMT, which is 6:00 PM AEDT.
Related conversions
Convert AEST to Portsmouth Time
Convert Portsmouth Time to other time zones
Convert other time zones to AEST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.