Check the current local time in Port Jefferson, New York, United States of America, including timezone, daylight saving time information and time difference details.
Port Jefferson, New York, United States of America City
America/New_York
Online clock — Port Jefferson
Use the time converter to plan calls, meetings, and working hours between your location and Port Jefferson, United States of America. Time calculations use the America/New_York time zone and automatically adjust for daylight saving time when applicable.
Day length: 9 h 57 m 59 s
Phase: Waxing crescent
Daylight Saving Time
DST starts
Date and time
Clock change
02:00 03:00 (+1 hour forward)
DST ends
Date and time
Clock change
02:00 01:00 (−1 hour back)
40.9465, -73.0693
Port Jefferson is one of the cities in United States of America, located in North America. The population of Port Jefferson is 7,842 people.
| City ▲ | Time |
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| Austin America/Chicago (—) | — |
| Brooklyn America/New_York (—) | — |
| Charlotte America/New_York (—) | — |
| Chicago America/Chicago (—) | — |
| Columbus America/New_York (—) | — |
| Dallas America/Chicago (—) | — |
| Fort Worth America/Chicago (—) | — |
| Houston America/Chicago (—) | — |
| Indianapolis America/Indiana/Indianapolis (—) | — |
| Jacksonville America/New_York (—) | — |
| Los Angeles America/Los_Angeles (—) | — |
| Manhattan America/New_York (—) | — |
| New York America/New_York (—) | — |
| Philadelphia America/New_York (—) | — |
| Phoenix America/Phoenix (—) | — |
| Queens America/New_York (—) | — |
| San Antonio America/Chicago (—) | — |
| San Diego America/Los_Angeles (—) | — |
| San Jose America/Los_Angeles (—) | — |
| The Bronx America/New_York (—) | — |
| City ▲ | Time |
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| Brooklyn America/New_York (—) | — |
| Chicago America/Chicago (—) | — |
| Columbus America/New_York (—) | — |
| Fort Worth America/Chicago (—) | — |
| Fresno America/Los_Angeles (—) | — |
| Las Vegas America/Los_Angeles (—) | — |
| Long Beach America/Los_Angeles (—) | — |
| Milwaukee America/Chicago (—) | — |
| Nashville America/Chicago (—) | — |
| New York America/New_York (—) | — |
| Oklahoma City America/Chicago (—) | — |
| Portland America/Los_Angeles (—) | — |
| Queens America/New_York (—) | — |
| Sacramento America/Los_Angeles (—) | — |
| San Antonio America/Chicago (—) | — |
| Seattle America/Los_Angeles (—) | — |
| Staten Island America/New_York (—) | — |
| The Bronx America/New_York (—) | — |
| Tucson America/Phoenix (—) | — |
| Virginia Beach America/New_York (—) | — |
| City ▲ | Time |
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| Albany America/New_York (—) | — |
| Amherst America/New_York (—) | — |
| Brentwood America/New_York (—) | — |
| Buffalo America/New_York (—) | — |
| Cheektowaga America/New_York (—) | — |
| Greenburgh America/New_York (—) | — |
| Mount Vernon America/New_York (—) | — |
| New Rochelle America/New_York (—) | — |
| Rochester America/New_York (—) | — |
| Schenectady America/New_York (—) | — |
| Staten Island America/New_York (—) | — |
| Syracuse America/New_York (—) | — |
| Utica America/New_York (—) | — |
| West Albany America/New_York (—) | — |
| Yonkers America/New_York (—) | — |
The current local time in Port Jefferson is —.
Port Jefferson uses the timezone America/New_York.
Daylight saving time in Port Jefferson starts on March 8, 2026.
Daylight saving time in Port Jefferson ends on November 1, 2026.
Port Jefferson is also known as: Port Jefferson, Drowned Meadow, Drowned Meadows, So-was-sett, Sowassett, Порт Џеферсон, بورت جفرسون, 杰斐遜港.
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