Time in Boston
Boston is currently on UTC-04:00 (America/New_York).
Boston observes daylight saving time. Clocks next go back on 1 Nov, moving from UTC-04:00 to UTC-05:00.
Boston is 6 hours behind Paris.
Plan a meeting with Boston and up to three other cities — the planner finds the fairest hour across all of them.
Convert a specific time between Boston and any other city.
How Boston lines up with other cities
Each city below is one Boston keeps hours with — the current difference, how it shifts across the year, and where the working days overlap.
Paris 6 hours behind dominant
Boston is 6 hours behind Paris for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 5 hours, because Boston and Paris change their clocks on different dates.
28 of 365 days are not the 6-hour difference most people assume.
Berlin 6 hours behind dominant
Boston is 6 hours behind Berlin for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 5 hours, because Boston and Berlin change their clocks on different dates.
28 of 365 days are not the 6-hour difference most people assume.
London 5 hours behind dominant
Boston is 5 hours behind London for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 4 hours, because Boston and London change their clocks on different dates.
28 of 365 days are not the 5-hour difference most people assume.
Cairo 7 hours behind dominant
Boston is 7 hours behind Cairo for most of the year. For 49 days — 8 Mar – 23 Apr; 30 Oct – 31 Oct — the difference narrows to 6 hours, because Boston and Cairo change their clocks on different dates.
49 of 365 days are not the 7-hour difference most people assume.
Tel Aviv 7 hours behind dominant
Boston is 7 hours behind Tel Aviv for most of the year. For 26 days — 8 Mar – 26 Mar; 25 Oct – 31 Oct — the difference narrows to 6 hours, because Boston and Tel Aviv change their clocks on different dates.
26 of 365 days are not the 7-hour difference most people assume.
Amsterdam 6 hours behind dominant
Boston is 6 hours behind Amsterdam for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 5 hours, because Boston and Amsterdam change their clocks on different dates.
28 of 365 days are not the 6-hour difference most people assume.
Madrid 6 hours behind dominant
Boston is 6 hours behind Madrid for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 5 hours, because Boston and Madrid change their clocks on different dates.
28 of 365 days are not the 6-hour difference most people assume.
Rome 6 hours behind dominant
Boston is 6 hours behind Rome for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 5 hours, because Boston and Rome change their clocks on different dates.
28 of 365 days are not the 6-hour difference most people assume.
Athens 7 hours behind dominant
Boston is 7 hours behind Athens for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 6 hours, because Boston and Athens change their clocks on different dates.
28 of 365 days are not the 7-hour difference most people assume.
Helsinki 7 hours behind dominant
Boston is 7 hours behind Helsinki for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 6 hours, because Boston and Helsinki change their clocks on different dates.
28 of 365 days are not the 7-hour difference most people assume.
Kyiv 7 hours behind dominant
Boston is 7 hours behind Kyiv for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 6 hours, because Boston and Kyiv change their clocks on different dates.
28 of 365 days are not the 7-hour difference most people assume.
Barcelona 6 hours behind dominant
Boston is 6 hours behind Barcelona for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 5 hours, because Boston and Barcelona change their clocks on different dates.
28 of 365 days are not the 6-hour difference most people assume.
Brussels 6 hours behind dominant
Boston is 6 hours behind Brussels for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 5 hours, because Boston and Brussels change their clocks on different dates.
28 of 365 days are not the 6-hour difference most people assume.
Frankfurt 6 hours behind dominant
Boston is 6 hours behind Frankfurt for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 5 hours, because Boston and Frankfurt change their clocks on different dates.
28 of 365 days are not the 6-hour difference most people assume.
Milan 6 hours behind dominant
Boston is 6 hours behind Milan for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 5 hours, because Boston and Milan change their clocks on different dates.
28 of 365 days are not the 6-hour difference most people assume.
Stockholm 6 hours behind dominant
Boston is 6 hours behind Stockholm for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 5 hours, because Boston and Stockholm change their clocks on different dates.
28 of 365 days are not the 6-hour difference most people assume.
Vienna 6 hours behind dominant
Boston is 6 hours behind Vienna for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 5 hours, because Boston and Vienna change their clocks on different dates.
28 of 365 days are not the 6-hour difference most people assume.
Warsaw 6 hours behind dominant
Boston is 6 hours behind Warsaw for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 5 hours, because Boston and Warsaw change their clocks on different dates.
28 of 365 days are not the 6-hour difference most people assume.
Zurich 6 hours behind dominant
Boston is 6 hours behind Zurich for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 5 hours, because Boston and Zurich change their clocks on different dates.
28 of 365 days are not the 6-hour difference most people assume.
Dubai 8 hours behind split
From 8 Mar to 31 Oct, Boston is 8 hours behind Dubai. For the rest of the year Boston is 9 hours behind Dubai, because Dubai does not observe daylight saving time.
Singapore 12 hours behind split
From 8 Mar to 31 Oct, Boston is 12 hours behind Singapore. For the rest of the year Boston is 13 hours behind Singapore, because Singapore does not observe daylight saving time.
Tokyo 13 hours behind split
From 8 Mar to 31 Oct, Boston is 13 hours behind Tokyo. For the rest of the year Boston is 14 hours behind Tokyo, because Tokyo does not observe daylight saving time.
Copenhagen 6 hours behind dominant
Boston is 6 hours behind Copenhagen for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 5 hours, because Boston and Copenhagen change their clocks on different dates.
28 of 365 days are not the 6-hour difference most people assume.
Oslo 6 hours behind dominant
Boston is 6 hours behind Oslo for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 5 hours, because Boston and Oslo change their clocks on different dates.
28 of 365 days are not the 6-hour difference most people assume.
Prague 6 hours behind dominant
Boston is 6 hours behind Prague for most of the year. For 28 days — 8 Mar – 28 Mar; 25 Oct – 31 Oct — the difference narrows to 5 hours, because Boston and Prague change their clocks on different dates.
28 of 365 days are not the 6-hour difference most people assume.