EST to JST
EST is UTC−4 and JST is UTC+9 today — JST is 13 hours ahead of EST. Abbreviations are for reading: this page resolves EST to America/New_York and JST to Asia/Tokyo, which are the names that do not go ambiguous.
EST: US Eastern; Eastern Daylight Time in summer.
The working day, side by side
The working days do not meet at all. Current abbreviations: EDT and JST.
| City | 00:00 in EST | 01:00 in EST | 02:00 in EST | 03:00 in EST | 04:00 in EST | 05:00 in EST | 06:00 in EST | 07:00 in EST | 08:00 in EST | 09:00 in EST | 10:00 in EST | 11:00 in EST | 12:00 in EST | 13:00 in EST | 14:00 in EST | 15:00 in EST | 16:00 in EST | 17:00 in EST | 18:00 in EST | 19:00 in EST | 20:00 in EST | 21:00 in EST | 22:00 in EST | 23:00 in EST |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EST—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| JST—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
- Working hours
- Shoulder
- Night
- Overlap
Do more with EST and JST
Common questions
What is EST in JST?
JST is 13 hours ahead of EST today: noon in EST is 01:00 in JST.
Is EST the same all year?
US Eastern; Eastern Daylight Time in summer. An abbreviation describes an offset at a moment, not a place — the zone identifier America/New_York is the unambiguous name.
When can EST and JST meet?
They do not overlap during working hours. 17:00–18:00 your time (06:00 there) is the cheapest compromise.