Time in Boston and Santa Rosa
The time difference between Boston, Massachusetts, and Santa Rosa, California, is 3 hours. Santa Rosa is 3 hours behind Boston.
This means 9am in Boston is 6am in Santa Rosa and 5pm in Boston is 2pm in Santa Rosa.
Boston
- The current local time in Boston is 10:21 pm (June 14, 2026)
- Boston is in the Eastern Daylight Time Zone
- The time zone offset for Boston, United States, is UTC-04:00
Santa Rosa
- The current local time in Santa Rosa is 7:21 pm (June 14, 2026)
- Santa Rosa is in the Pacific Daylight Time Zone
- The time zone offset for Santa Rosa, United States, is UTC-07:00
How to convert Boston time to Santa Rosa time?
Subtract 3 hours from Boston time to get Santa Rosa time.
Time in Boston
00:00
Time in Santa Rosa
00:00
Use the slider above to convert Boston time to Santa Rosa time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| Boston | Santa Rosa |
|---|---|
| 12am | 9pm |
| 1am | 10pm |
| 2am | 11pm |
| 3am | 12am |
| 4am | 1am |
| 5am | 2am |
| 6am | 3am |
| 7am | 4am |
| 8am | 5am |
| 9am | 6am |
| 10am | 7am |
| 11am | 8am |
| 12pm | 9am |
| 1pm | 10am |
| 2pm | 11am |
| 3pm | 12pm |
| 4pm | 1pm |
| 5pm | 2pm |
| 6pm | 3pm |
| 7pm | 4pm |
| 8pm | 5pm |
| 9pm | 6pm |
| 10pm | 7pm |
| 11pm | 8pm |
Time difference from Boston (UTC-04:00)
-3 hours
+5 hours
-3 hours
-3 hours
-1 hour
-2 hours
-1 hour
-3 hours
-3 hours
+4 hours