Current Local Time in Boston

United States America/New_York EDT UTC-4 Daylight saving time

7:29:44 AM

Sunday, August 2, 2026

Daytime UTC-4 (-04:00)

Static values shown for Aug 2, 7:29 AM; your browser updates them to the current second.

JavaScript is off, so this clock is frozen at the time above. The time zone rules, clock-change dates and sun and moon figures on this page are accurate regardless.

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UTC offset now

UTC-4

UTC-5 standard / UTC-4 summer

Abbreviation

EDT

EST / EDT

Daylight saving

Daylight saving time

Next change November 1, 2026

IANA time zone

America/New_York

United States · North America

Boston time zone

Local time in Boston alternates between UTC-5 (EST) and UTC-4 (EDT). In 2026 the switch to EDT happens on March 8, 2026 and the return to EST on November 1, 2026. Any offset quoted for Boston without a date is only right for part of the year.

IANA time zone: America/New_York
Offset in standard time: UTC-5 (EST)
Offset in daylight saving time: UTC-4 (EDT)
Daylight saving starts (2026): March 8, 2026 at 03:00
Daylight saving ends (2026): November 1, 2026 at 01:00
Most recent clock change: March 8, 2026 — clocks go forward 1 hour, from 02:00 EST to 03:00 EDT
Next clock change: November 1, 2026 — clocks go back 1 hour, from 02:00 EDT to 01:00 EST
When it is 12:00 UTC: 7:00 AM in January · 8:00 AM in July

Clock changes in Boston, 2026–2028

Full record for Boston → ten years back and ten forward, with each year's DST window.

Every scheduled clock change for America/New_York, computed from the IANA time zone database. Local times are the wall-clock readings in Boston.
Date	Change	Local time	Offset after	Then called
March 8, 2026	Forward 60 min	01:59 → 03:00	UTC-04:00	EDT (DST)
November 1, 2026	Back 60 min	01:59 → 01:00	UTC-05:00	EST (standard)
March 14, 2027	Forward 60 min	01:59 → 03:00	UTC-04:00	EDT (DST)
November 7, 2027	Back 60 min	01:59 → 01:00	UTC-05:00	EST (standard)
March 12, 2028	Forward 60 min	01:59 → 03:00	UTC-04:00	EDT (DST)
November 5, 2028	Back 60 min	01:59 → 01:00	UTC-05:00	EST (standard)

Sun and moon in Boston

Computed for 42.3601°, -71.0589° on August 2, 2026.

Sunrise

5:38 AM

Sunset

8:02 PM

Day length

14h 25m

−2m 11s vs yesterday

Solar noon

12:50 PM

Sun at its highest

00:0006:0012:0018:0024:00

Twilight phases in Boston on August 2, 2026.
Phase	Morning	Evening	Sun's altitude
Astronomical twilight	3:43 AM	9:57 PM	−18° to −12°
Nautical twilight	4:27 AM	9:13 PM	−12° to −6°
Civil twilight	5:06 AM	8:34 PM	−6° to −0.833°
Sunrise / sunset	5:38 AM	8:02 PM	−0.833° (upper limb at the horizon)

Across 2026, daylight in Boston runs from about 9h 04m at the shortest day to 15h 17m at the longest.

Moon

Waning gibbous

80% illuminated · 19.1 days into the cycle · waning

Moonrise: 9:50 PM
Moonset: 9:44 AM
Next full moon: Aug 28, 12:19 AM
Next new moon: Aug 12, 1:38 PM

Sun and moon figures are computed locally from standard astronomical series (NOAA solar equations and Meeus' lunar terms) — accurate to about a minute at mid latitudes, and less near the poles where the sun crosses the horizon at a shallow angle.

Weather in Boston

Time difference between Boston and other cities

Differences are computed from each city's own zone rules, so pairs whose clocks change on different dates show more than one value across the year.

Local time in each city at the same instant, relative to Boston.
City	Local time	Difference	Across the year
Los Angeles United States	4:29 AM	−3h	Varies: −3h / −4h / −2h
Sao Paulo Brazil	8:29 AM	+1h	Varies: +1h / +2h
London United Kingdom	12:29 PM	+5h	Varies: +5h / +4h
Tel Aviv Israel	2:29 PM	+7h	Varies: +7h / +6h
Cairo Egypt	2:29 PM	+7h	Varies: +7h / +6h
Mumbai India	4:59 PM	+9:30h	Varies: +9:30h / +10:30h
Sydney Australia	9:29 PM	+14h	Varies: +14h / +16h / +15h
Chicago United States	6:29 AM	−1h	Varies: −1h / −2h / ±0h

Boston at a glance

Country: United States
Region: North America
Coordinates: 42.3601° N, 71.0589° W
IANA time zone: America/New_York
Currency: USD
Language: English
Usual clock notation: 12-hour

Only fields we can source are listed; nothing on this page is estimated. Sources are in data sources .

Perguntas frequentes

What time is it in Boston right now?

The clock at the top of this page shows the current local time in Boston, United States, updated every second from your device's clock and converted with the America/New_York time zone rules. Boston currently runs at UTC-4 (EDT), and switches between UTC-5 and UTC-4 across the year.

What time zone is Boston in?

Boston uses the IANA time zone America/New_York, written as EST in standard time and EDT while daylight saving time is in force. Every time on this page is computed from that zone rather than from a stored offset, so it follows the rules currently published in the time zone database.

What is the UTC offset in Boston?

Boston has two offsets. It runs at UTC-5 during standard time and at UTC-4 during daylight saving time, which is why a single fixed offset for Boston is always wrong for part of the year. In 2026 the daylight saving period runs from March 8, 2026 to November 1, 2026.

Does Boston observe daylight saving time?

Yes. Boston changes its clocks twice in 2026: March 8, 2026 — clocks go forward 1 hour, from 02:00 EST to 03:00 EDT; November 1, 2026 — clocks go back 1 hour, from 02:00 EDT to 01:00 EST. Time differences with other places therefore shift during the year.

What is the time difference between Boston and Los Angeles?

For most of 2026, Los Angeles is 3 hours behind Boston. Because the two places change their clocks on different dates, the gap is 4 hours (Los Angeles behind Boston) from March 8 – March 8; the gap is 2 hours (Los Angeles behind Boston) from November 1 – November 1.

What is the time difference between Boston and Sao Paulo?

For most of 2026, Sao Paulo is 1 hour ahead of Boston. Because the two places change their clocks on different dates, the gap is 2 hours (Sao Paulo ahead of Boston) from December 31 – March 8 and November 1 – December 31.

What is the time difference between Boston and London?

For most of 2026, London is 5 hours ahead of Boston. Because the two places change their clocks on different dates, the gap is 4 hours (London ahead of Boston) from March 8 – March 28 and October 24 – November 1.

How long is the day in Boston?

Day length in Boston ranges from about 9h 04m at the shortest day of 2026 to about 15h 17m at the longest. The sunrise and sunset section on this page shows today's figures for latitude 42.36°, longitude -71.06°.

Other cities in United States

Cities on the same clock (America/New_York)

Nearest cities

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