Southampton Time to EST Converter
EST is 5 hours behind GMT. 9:00 AM GMT = 4:00 AM EST.
EST is 5 hours behind GMT at the moment. To convert Southampton Time to EST, subtract 5 hours from the Southampton Time time: 9:00 AM GMT = 4:00 AM EST.
Southampton Time (Southampton time) is used in Southampton, UK. EST (Eastern Time) is used in New York, Washington DC, Florida, Georgia, Ohio, Michigan, Ontario, Quebec, Panama and Jamaica (all year).
Southampton Time to EST time conversion table
Southampton Time to EST on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Southampton Time | EST | Day |
|---|---|---|
| 12:00 AM GMT | 7:00 PM EST | previous day |
| 1:00 AM GMT | 8:00 PM EST | previous day |
| 2:00 AM GMT | 9:00 PM EST | previous day |
| 3:00 AM GMT | 10:00 PM EST | previous day |
| 4:00 AM GMT | 11:00 PM EST | previous day |
| 5:00 AM GMT | 12:00 AM EST | night |
| 6:00 AM GMT | 1:00 AM EST | night |
| 7:00 AM GMT | 2:00 AM EST | night |
| 8:00 AM GMT | 3:00 AM EST | night |
| 9:00 AM GMT | 4:00 AM EST | night |
| 10:00 AM GMT | 5:00 AM EST | night |
| 11:00 AM GMT | 6:00 AM EST | — |
| 12:00 PM GMT | 7:00 AM EST | — |
| 1:00 PM GMT | 8:00 AM EST | — |
| 2:00 PM GMT | 9:00 AM EST | work hours |
| 3:00 PM GMT | 10:00 AM EST | work hours |
| 4:00 PM GMT | 11:00 AM EST | work hours |
| 5:00 PM GMT | 12:00 PM EST | — |
| 6:00 PM GMT | 1:00 PM EST | — |
| 7:00 PM GMT | 2:00 PM EST | — |
| 8:00 PM GMT | 3:00 PM EST | — |
| 9:00 PM GMT | 4:00 PM EST | — |
| 10:00 PM GMT | 5:00 PM EST | — |
| 11:00 PM GMT | 6:00 PM EST | — |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert Southampton Time to EST
Subtract 5 hours from the Southampton Time time to get EST.
Example: 9:00 AM GMT = 4:00 AM EST.
Across midnight: 1:00 AM GMT = 8:00 PM EST (previous day). The date changes, so always check the day as well as the hour.
Time difference between Southampton Time and EST
The time difference between Southampton Time and EST 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 – 7 Mar 2026: EST is 5 hours behind of Southampton Time.
- 8 Mar 2026 – 28 Mar 2026: EST is 4 hours behind of Southampton Time.
- 29 Mar 2026 – 24 Oct 2026: EST is 5 hours behind of Southampton Time.
- 25 Oct 2026 – 31 Oct 2026: EST is 4 hours behind of Southampton Time.
- 1 Nov 2026 – 31 Dec 2026: EST is 5 hours behind of Southampton Time.
Southampton Time and EST during daylight saving time
- Southampton 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).
- EST next changes on 14 Mar 2027: clocks go forward one hour at 01:59 local time, from EST (UTC−5) to EDT (UTC−4).
Best time for a meeting between Southampton Time and EST
Southampton Time and EST share 3 hours of the 9 AM–5 PM working day. Any time between 2:00 PM and 5:00 PM GMT lands between 9:00 AM and 12:00 PM EST, inside working hours for both.
Southampton Time to EST FAQ
What is the time difference between Southampton Time and EST?
Right now EST is 5 hours behind GMT. The gap changes 5 times in 2026 because the two sides switch to daylight saving time on different dates.
What is 9 AM Southampton Time in EST?
9:00 AM GMT is 4:00 AM EST.
What is 12 PM (noon) Southampton Time in EST?
12:00 PM GMT is 7:00 AM EST.
Is EST ahead of or behind Southampton Time?
EST is 5 hours behind GMT, so it is earlier in EST than in Southampton Time.
Does Southampton Time change for daylight saving time?
Yes. Southampton Time next changes on 28 Mar 2027, when clocks go forward one hour from GMT to BST.
Does EST change for daylight saving time?
Yes. EST next changes on 14 Mar 2027, when clocks go forward one hour from EST to EDT.
What is the best time for a meeting between Southampton Time and EST?
Southampton Time and EST share 3 hours of the 9 AM–5 PM working day. Any time between 2:00 PM and 5:00 PM GMT lands between 9:00 AM and 12:00 PM EST, inside working hours for both.
Is ET the same as EST?
EST is the winter (standard) name of Eastern Time (ET). From March to November the same clocks are called EDT. This converter always uses the one in force on the date you choose.
Related conversions
Convert EST to Southampton Time
Convert Southampton Time to other time zones
Convert other time zones to EST
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.