| Abbreviation: | EDT - Eastern Daylight Time |
| UTC Offset: | UTC-4 West Haven, Connecticut, USA is 4 hours behind UTC. |
| DST Changes: | Daylight Saving Time is currently being observed in West Haven. |
| Date DST Started: | 12 March 2023 Clocks are turned forward 1 hour. |
| Date DST Ends: | 05 November 2023 Clocks are turned backward 1 hour. |
| Country: | USA |
| State: | Connecticut |
| Latitude: | 41° 16' North |
| Longitude: | 72° 58' West |
| Area Code: | +1-203 |