Current Time in Mountainside, Union County, New Jersey, USA
6:02:31 AM
06:02:31
EST (Eastern Standard Time) · UTC−05:00
America/New_York
Clock format
Time zone details
Mountainside is currently on standard time; daylight saving time is observed in 2026
Daylight in Mountainside
Location facts
Place
- Country
- USA
- State
- New Jersey
- County
- Union County
- Place type
- Populated place
- Country currency
- US Dollar (USD)
Practical
- Country languages
- English, Spanish, Hawaiian, French
- Dialing code
- +1
- Population
- 6,885
- Elevation
- 46 m
Geography
- Geographic coordinates
- 40° 40' N / 74° 21' W
Convert Mountainside time
Compare Mountainside with another city or time zone
Clock changes in Mountainside
2:00 AM EST3:00 AM EDT
Clocks move forward 1 hour
2026
past
Daylight saving time starts
2:00 AM EST3:00 AM EDT
Clocks move forward 1 hour
past
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
- 9 hr 55 min2 min shorter than the previous day
Twilight
- Civil twilight
- –
- Nautical twilight
- –
- Astronomical twilight
- –
First QuarterMoon illumination33%
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Sunday, November 15, 2026
View Mountainside on Savvy Time's time-zone map
Sun
- Sunrise
- Sunset
- Day length
- 9 hr 55 min2 min shorter than the previous day
- Solar noon
- (30.7° altitude)
Civil twilight
- Dawn to dusk
- –
Additional twilight
- Nautical dawn to dusk
- –
- Astronomical dawn to dusk
- –
Moon
- Phase
- First Quarter (33% illuminated)
- Moonrise
- Moonset
- Previous principal phase
- New Moon — Monday, November 9, 2026 at
- Next principal phase
- First Quarter — Tuesday, November 17, 2026 at
Seven-day daylight outlook
| Local date | Sunrise | Sunset | Day length | Daily change |
|---|---|---|---|---|
| 9 hr 55 min | 2 min shorter than the previous day | |||
| 9 hr 53 min | 1 min 58 sec shorter than the previous day | |||
| 9 hr 51 min | 1 min 56 sec shorter than the previous day | |||
| 9 hr 49 min | 1 min 54 sec shorter than the previous day | |||
| 9 hr 48 min | 1 min 51 sec shorter than the previous day | |||
| 9 hr 46 min | 1 min 49 sec shorter than the previous day | |||
| 9 hr 44 min | 1 min 47 sec shorter than the previous day |
Weather forecast for Mountainside
Temperature unit
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Plan around Mountainside
Upcoming public holidays in New Jersey
- Thanksgiving Day
- Christmas Day
- New Year's Day
Nearby places
WestfieldUnion County2 kmSEScotch PlainsUnion County3 kmSWSummitUnion County5 kmNCranfordUnion County5 kmEPlainfieldUnion County6 kmSWNorth PlainfieldSomerset County8 kmSWUnionUnion County8 kmERoselleUnion County9 kmEMaplewoodEssex County10 kmNERahwayUnion County10 kmSEMadisonMorris County11 kmNWLindenUnion County11 kmSE
Frequently asked questions
- What time zone is Mountainside in?
- Mountainside uses Eastern Standard Time (EST, UTC−5) in winter and Eastern Daylight Time (EDT, UTC−4) in summer. Its IANA time zone is America/New_York.
- When is the next clock change in Mountainside?
- Clocks in Mountainside move forward 1 hour on Sunday, March 14, 2027 at 2:00 AM, changing from EST (UTC−05:00) to EDT (UTC−04:00)
- Does Mountainside observe daylight saving time?
- Yes. Mountainside observes daylight saving time: EDT (UTC−4) in summer and EST (UTC−5) in winter.
- What is the UTC offset of Mountainside?
- Mountainside is UTC−5 in winter and UTC−4 in summer