Port Jefferson in numbers
- Coordinates
- 40.9465, -73.0693
- Elevation
- 1 m above sea level
- Population
- 7 842
- Region
- New York
- Country
- United States, North America
- Capital
- Washington, D.C. — 408 km away
- Same name
- 1 more places in the world share this name
What time is it in Port Jefferson, New York, United States
Right now in Port Jefferson, New York, United States the local time is the one shown here, in the America/New_York zone (−5).
Port Jefferson, United States
Monday, 9 November 2026
UTC−5 · America/New_York
Local time in Port Jefferson
UTC−5 · no daylight saving time
What the clock shows right now in Port Jefferson.
The sun today
Sunrise 6:34 AM Solar noon 11:37 AM Sunset 4:41 PM Daylight 10 h 08 min Night 13 h 52 min Civil twilight 6:05 AM – 5:10 PM
Weather in Port Jefferson right now
Loading the current weather…
Weather data by Open-Meteo, updated every 30 minutes.
Port Jefferson and its neighbours
Postal codes
- 11777
- 45360
Postal codes come from the free GeoNames dataset. Where a code is listed with a distance, it belongs to a nearby settlement — GeoNames spells that name differently from ours.
Largest cities in New York
- New York City 8 804 190
- Brooklyn 2 736 074
- Queens 2 316 841
- Manhattan 1 487 536
- The Bronx 1 385 108
- Staten Island 468 730
Other places named Port Jefferson
- Port Jefferson Ohio, United States
Same time zone — America/New_York
- New York City United States
- Brooklyn United States
- Queens United States
- Philadelphia United States
- Manhattan United States
- The Bronx United States
Nearby places
- Poquott — 1.3 km
- Belle Terre — 1.5 km
- Crystal Brook — 2.3 km
- Port Jefferson Station — 3.0 km
- East Setauket — 3.1 km
- Setauket-East Setauket — 3.3 km
Time and daylight in Port Jefferson
There is no time difference between Port Jefferson and nearby Poquott or Belle Terre.
Mail addressed to Port Jefferson uses 2 postal codes.
Port Jefferson holds to America/New_York time, which equals UTC−5. Clock adjustment for daylight saving: No.
Today's sunrise at Port Jefferson falls at 6:34 AM; sunset follows at 4:41 PM. Between them lie 10 h 08 min of daylight.
Questions and answers
- What time zone value is associated with Port Jefferson?
- The value associated with Port Jefferson is America/New_York, with an offset of −5.
- Does Port Jefferson go on summer time?
- Daylight saving in Port Jefferson: No.
- What time does the day start in Port Jefferson?
- The sun rises at 6:34 AM.