San Antonio vs Boston time difference
Boston is 1 h ahead
San Antonio 04:00 · Boston 05:00. From November 1 the time will be the same.
San Antonio now
Friday, October 16UTC-5, CDT
Boston now
Friday, October 16UTC-4, EDT
Convert a time
Using today's difference: 1 h. From November 1: 0 h.
When the difference changes
-
1Nov 2026
Boston moves its clocks one hour back in 16 days
The difference becomes 0 h: same time
-
1Nov 2026
San Antonio moves its clocks one hour back
The difference becomes 1 h: Boston ahead
-
14Mar 2027
Boston moves its clocks one hour forward
The difference becomes 2 h: Boston ahead
-
14Mar 2027
San Antonio moves its clocks one hour forward
The difference becomes 1 h: Boston ahead
-
7Nov 2027
Boston moves its clocks one hour back
The difference becomes 0 h: same time
-
7Nov 2027
San Antonio moves its clocks one hour back
The difference becomes 1 h: Boston ahead
Both cities change their clocks, on different dates.