Current Time in Watertown, Massachusetts, USA
8:51:13 PM
20:51:13
EDT (Eastern Daylight Time) · UTC−04:00
America/New_York
Time zone details
Watertown is observing daylight saving time in 2026
Daylight in Watertown
Location facts
Place
- Country
- USA
- State
- Massachusetts
- County
- Middlesex County
- Place type
- Populated place
- Country currency
- US Dollar (USD)
Practical
- Languages
- English, Spanish, Hawaiian, French
- Dialing code
- +1
- Population
- 31,915
- Elevation
- 19 m
Geography
- Geographic coordinates
- 42° 22' N / 71° 10' W
Convert Watertown time
Compare Watertown with another city or time zone
Popular conversions (current offsets)
All times shown relative to Watertown local time
Clock changes in Watertown
2:00 AM EDT1:00 AM EST
Clocks move back 1 hour
2026
past
Daylight saving time starts
2:00 AM EST3:00 AM EDT
Clocks move forward 1 hour
upcoming
Daylight saving time ends
2:00 AM EDT1:00 AM EST
Clocks move back 1 hour
Future clock changes, 2027–2030
Sun & Moon details
Sun
- Sunrise
- Solar noon
- Sunset
- Daylight duration
- 12 hr 41 min2 min 48 sec shorter than the previous day
Twilight
- Civil twilight
- –
- Nautical twilight
- –
- Astronomical twilight
- –
View full Sun & Moon detailsHide full Sun & Moon details
Friday, September 11, 2026
View Watertown on SavvyTime's time-zone map
Sun
- Sunrise
- Sunset
- Day length
- 12 hr 41 min2 min 48 sec shorter than the previous day
- Solar noon
- (52.0° altitude)
Civil twilight
- Dawn to dusk
- –
Additional twilight
- Nautical dawn to dusk
- –
- Astronomical dawn to dusk
- –
Moon
- Phase
- New Moon (0% illuminated)
- Moonrise
- Moonset
- Previous principal phase
- New Moon — Thursday, September 10, 2026 at
- Next principal phase
- First Quarter — Friday, September 18, 2026 at
Seven-day daylight outlook
| Local date | Sunrise | Sunset | Day length | Daily change |
|---|---|---|---|---|
| 12 hr 41 min | 2 min 48 sec shorter than the previous day | |||
| 12 hr 38 min | 2 min 49 sec shorter than the previous day | |||
| 12 hr 35 min | 2 min 49 sec shorter than the previous day | |||
| 12 hr 32 min | 2 min 49 sec shorter than the previous day | |||
| 12 hr 30 min | 2 min 50 sec shorter than the previous day | |||
| 12 hr 27 min | 2 min 49 sec shorter than the previous day | |||
| 12 hr 24 min | 2 min 50 sec shorter than the previous day |
Weather forecast for Watertown
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Plan around Watertown
Time context
Watertown follows the same clock and daylight-saving rules as Boston
Current time offsetUTC−04:00 (EDT)
View time differencesUpcoming public holidays in Massachusetts
- Columbus Day
- Veterans Day
- Thanksgiving Day
Nearby scheduled airports for Watertown, Massachusetts, USA
Laurence G Hanscom FieldBEDMedium airport · Serves Bedford14.0 km northwest
Source: OurAirports record · BED / KBED
About 14.0 km (8.7 mi) northwest of Watertown
Scheduled airline service in source data
Boston Logan International AirportBOSLarge airport · Serves Boston14.4 km east
Source: OurAirports record · BOS / KBOS
About 14.4 km (8.9 mi) east of Watertown
Scheduled airline service in source data
Worcester Regional AirportORHMedium airport · Serves Worcester58.1 km west
Source: OurAirports record · ORH / KORH
About 58.1 km (36.1 mi) west of Watertown
Scheduled airline service in source data
Nearby places
Frequently asked questions
- What time zone is Watertown in?
- Watertown currently uses Eastern Daylight Time (EDT). Its IANA time zone is America/New_York.
- When is the next clock change in Watertown?
- Clocks in Watertown move backward 1 hour on Sunday, November 1, 2026 at 2:00 AM, changing from EDT (UTC−04:00) to EST (UTC−05:00)
- Is Watertown currently on daylight saving time?
- Watertown is observing daylight saving time in 2026
- What is the UTC offset in Watertown right now?
- Watertown is currently UTC−04:00