Mon
Tue
Wed
Thu
Fri
Sat
Sun
17
88
:
45
88
:
05
88
Time Difference Port Jefferson - Zhengzhou
-12:00 hours
The time difference between Port Jefferson Zhengzhou is -12:00 hours. The timezone in Port Jefferson is GMT Port Jefferson and GMT Zhengzhou in Zhengzhou
Distance between Port Jefferson and Zhengzhou is 19233.29 km
Mon
Tue
Wed
Thu
Fri
Sat
Sun
17
88
:
45
88
:
05
88
Mon
Tue
Wed
Thu
Fri
Sat
Sun
06
88
:
45
88
:
05
88
Port Jefferson
Port Jefferson has daylight saving time (DST), the Sunday, March 9, 2025 at 2:00 AM you will have to add 1 hour for the winter time and the Sunday, November 2, 2025 at 2:00 AM substract 1 hour.
Zhengzhou
Zhengzhou does not observe Daylight Saving Time (DST). It will be the same time during all the year: China Standard Time .