Azores and Boston time difference is 4 hours


Time in Azores


Mon, May 25th (UTC)
Time in Boston


Sun, May 24th (UTC -4)

You should keep in mind that these two cities are in two different time zones. Boston time is 4 hours behind Azores time, so if you are located in Azores and would like to make a phone call to or have a video chat with someone in Boston, the convenient time for both you and the other party is 1pm to 5pm (Azores time).


See distance from Azores to Boston

Time difference comparison

12 am Azores8pm previous day Boston
1 am Azores9pm previous day Boston
2 am Azores10pm previous day Boston
3 am Azores11pm previous day Boston
4 am Azores12am Boston
5 am Azores1am Boston
6 am Azores2am Boston
7 am Azores3am Boston
8 am Azores4am Boston
9 am Azores5am Boston
10 am Azores6am Boston
11 am Azores7am Boston
12 pm Azores8am Boston
1 pm Azores9am Boston
2 pm Azores10am Boston
3 pm Azores11am Boston
4 pm Azores12pm Boston
5 pm Azores1pm Boston
6 pm Azores2pm Boston
7 pm Azores3pm Boston
8 pm Azores4pm Boston
9 pm Azores5pm Boston
10 pm Azores6pm Boston
11 pm Azores7pm Boston

The hours shown in blue color are the usual 9 am to 5 pm business hours.



Change of time difference between Azores and Boston

Date Time difference
08 March 2020 to
29 March 2020 (DST begins in Azores)
3 hours
29 March 2020 to
25 October 2020 (DST ends in Azores)
4 hours
25 October 2020 to
01 November 2020 (DST ends in Boston)
3 hours

Time difference between AZOS (Azores Summer Time) and EDT (Eastern Daylight Time) is 4 hours



Azores - Portugal

  • Time zone: AZOST - Azores Summer Time
  • Time zone offset: UTC/GMT
  • DST started on: 29 March 2020
  • DST will end on: 25 October 2020
    When Daylight Saving Time ends, the time zone in Azores will return to AZOT (Azores Time).


Boston - USA

  • Time zone: EDT - Eastern Daylight Time
  • Time zone offset: UTC/GMT -4
  • DST started on: 08 March 2020
  • DST will end on: 01 November 2020
    When Daylight Saving Time ends, the time zone in Boston will return to EST (Eastern Standard Time).