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  3. JST to NST
  4. 8 AM

8 AM JST to NST

8 AM JST = 7:30 PM NST (previous day). NST is 12 hours 30 minutes behind of JST today.

The 09:00-18:00 workdays in JST and NST don't overlap at all, so one side always works early or late. Quick answers: 9 AM JST = 8:30 PM NST (previous day), 12 PM JST = 11:30 PM NST (previous day), 5 PM JST = 4:30 AM NST.

JST · Japan Standard Time

UTC+9

NST · Newfoundland Standard Time

UTC−3:30

Convert a time

NST
--:--

Working hours side by side

columns: JST hours
PING · 09–18 local MAYBE · 07–09, 18–21 NOT NOW · 21–07Outlined: everyone can be pinged

JST to NST conversion table

JSTNSTVerdict in NST
12 AM · 00:0011:30 AM · 11:30 (previous day)PING
1 AM · 01:0012:30 PM · 12:30 (previous day)PING
2 AM · 02:001:30 PM · 13:30 (previous day)PING
3 AM · 03:002:30 PM · 14:30 (previous day)PING
4 AM · 04:003:30 PM · 15:30 (previous day)PING
5 AM · 05:004:30 PM · 16:30 (previous day)PING
6 AM · 06:005:30 PM · 17:30 (previous day)PING
7 AM · 07:006:30 PM · 18:30 (previous day)MAYBE
8 AM · 08:007:30 PM · 19:30 (previous day)MAYBE
9 AM · 09:008:30 PM · 20:30 (previous day)MAYBE
10 AM · 10:009:30 PM · 21:30 (previous day)NOT NOW
11 AM · 11:0010:30 PM · 22:30 (previous day)NOT NOW
12 PM · 12:0011:30 PM · 23:30 (previous day)NOT NOW
1 PM · 13:0012:30 AM · 00:30NOT NOW
2 PM · 14:001:30 AM · 01:30NOT NOW
3 PM · 15:002:30 AM · 02:30NOT NOW
4 PM · 16:003:30 AM · 03:30NOT NOW
5 PM · 17:004:30 AM · 04:30NOT NOW
6 PM · 18:005:30 AM · 05:30NOT NOW
7 PM · 19:006:30 AM · 06:30NOT NOW
8 PM · 20:007:30 AM · 07:30MAYBE
9 PM · 21:008:30 AM · 08:30MAYBE
10 PM · 22:009:30 AM · 09:30PING
11 PM · 23:0010:30 AM · 10:30PING

Cities on JST

Asia/Tokyo
TokyoYokohamaOsakaNagoyaSapporoFukuoka

Cities on NST

America/St_Johns
St. John'sConception Bay SouthParadiseMount PearlCorner Brook

Other conversions

All converters
NST → JSTJST → ESTJST → EDTJST → PSTJST → PDTJST → CSTJST → CDTJST → MSTJST → GMTJST → UTCJST → BST

Questions

What is the time difference between JST and NST?

NST (Newfoundland Standard Time) is 12 hours 30 minutes behind of JST (Japan Standard Time) right now: UTC+9 versus UTC−3:30.

What is 9 AM JST in NST?

9:00 AM JST is 8:30 PM NST (previous day).

What is 5 PM JST in NST?

5:00 PM JST is 4:30 AM NST.

Does daylight saving change the JST–NST difference?

JST has no daylight saving; it stays UTC+9 all year. St Johns switches between NST; next change Sunday, 14 March 2027 (UTC−3:30 → UTC−2:30).