What time is it in Waltham right now?

The clock at the top of this page shows the current local time in Waltham, United States, updated every second from your device's clock and the IANA time zone rules for America/New_York. Waltham is 4 hours behind UTC right now.

What time zone is Waltham in?

Waltham uses EDT (Eastern Time). Its IANA time zone identifier is America/New_York, and the current UTC offset is UTC−4.

Does Waltham observe daylight saving time?

Yes. Clocks last changed on Sun, Mar 8, 2026. The next change is on Sun, Nov 1, 2026, when clocks go back 1 hour.

How do I schedule a meeting with someone in Waltham?

Open the time zone converter for Waltham to see what a given time there is for you, or use the meeting planner to find the hours when both of you are at work. A Cal.com booking link does the conversion for your guests automatically: they see your availability in their own time zone and pick a slot that works.

Current local time in Waltham, Massachusetts, United States

Waltham is on EDT (Eastern Time), UTC−4. Clocks go back 1 hour on Sun, Nov 1, 2026.

Waltham, United States

7:39 AM:30EDT

Tuesday, October 27, 2026

UTC−4

Country: United States
Region: Massachusetts
Lat/Long: 42°23'N / 71°14'W
Elevation: 20 m
Population: 63,378
Currency: Dollar (USD)
Languages: English, Spanish, Hawaiian, French
Dialling code: +1

Time zone in Waltham

Time zone
EDT
Eastern Time
UTC offset
UTC−4
4 hours behind UTC
DST started
Sun, Mar 8, 2026
Clocks went forward 1 hour
DST ends
Sun, Nov 1, 2026
Clocks go back 1 hour at 2:00 AM

Waltham keeps the time of the IANA zone America/New_York, one of 14 time zones in use in United States. Clocks go back 1 hour on Sun, Nov 1, 2026.

About EDT Time zone converter for Waltham Meeting planner for Waltham

Sunrise and sunset in Waltham today

Sunrise
7:12 AM
Sunset
5:45 PM
Day length
10 hours 33 minutes
Date
Tue, Oct 27, 2026

Times are local to Waltham for Tue, Oct 27, 2026, computed for 42°23'N / 71°14'W.

Time difference between Waltham and other cities

The current local time in major cities around the world and how far each is ahead of or behind Waltham. Differences change when either side moves its clocks.

Current time in world cities compared to Waltham
City	Local time	Compared to Waltham
New YorkUnited States	Tue 7:39 AM	Same time
Los AngelesUnited States	Tue 4:39 AM	−3h (behind)
ChicagoUnited States	Tue 6:39 AM	−1h (behind)
TorontoCanada	Tue 7:39 AM	Same time
Mexico CityMexico	Tue 5:39 AM	−2h (behind)
São PauloBrazil	Tue 8:39 AM	+1h (ahead)
LondonUnited Kingdom	Tue 11:39 AM	+4h (ahead)
ParisFrance	Tue 12:39 PM	+5h (ahead)
BerlinGermany	Tue 12:39 PM	+5h (ahead)
MadridSpain	Tue 12:39 PM	+5h (ahead)
JohannesburgSouth Africa	Tue 1:39 PM	+6h (ahead)
DubaiUnited Arab Emirates	Tue 3:39 PM	+8h (ahead)
MumbaiIndia	Tue 5:09 PM	+9h 30m (ahead)
SingaporeSingapore	Tue 7:39 PM	+12h (ahead)
ShanghaiChina	Tue 7:39 PM	+12h (ahead)
TokyoJapan	Tue 8:39 PM	+13h (ahead)
SydneyAustralia	Tue 10:39 PM	+15h (ahead)
AucklandNew Zealand	Wed 12:39 AM	+17h (ahead)

Other cities near Waltham

All 3,122 cities in United States

Frequently asked questions

Place data from GeoNames (CC BY 4.0). Times follow the IANA time zone database; sunrise and sunset are computed for the city's coordinates.