Timezone conversion
JST to Chicago Time — Convert Japan Standard Time to Chicago
Chicago is currently 14 hours behind JST. The gap shifts across the year: around January it is 15 hours behind JST, and around July it is 14 hours behind JST, because one or both zones observe daylight saving.
Chicago is currently 14 hours behind JST.
JST • GMT+9 (UTC+9)
2:18 AM
Thursday, Jul 9
Chicago • CDT (UTC-5)
12:18 PM
Wednesday, Jul 8
Interactive converter
12:00PM
12
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Full JST to Chicago conversion table
| JST | Chicago |
|---|---|
| 12:00 AM | 10:00 AM(previous day) |
| 1:00 AM | 11:00 AM(previous day) |
| 2:00 AM | 12:00 PM(previous day) |
| 3:00 AM | 1:00 PM(previous day) |
| 4:00 AM | 2:00 PM(previous day) |
| 5:00 AM | 3:00 PM(previous day) |
| 6:00 AM | 4:00 PM(previous day) |
| 7:00 AM | 5:00 PM(previous day) |
| 8:00 AM | 6:00 PM(previous day) |
| 9:00 AM | 7:00 PM(previous day) |
| 10:00 AM | 8:00 PM(previous day) |
| 11:00 AM | 9:00 PM(previous day) |
| 12:00 PM | 10:00 PM(previous day) |
| 1:00 PM | 11:00 PM(previous day) |
| 2:00 PM | 12:00 AM |
| 3:00 PM | 1:00 AM |
| 4:00 PM | 2:00 AM |
| 5:00 PM | 3:00 AM |
| 6:00 PM | 4:00 AM |
| 7:00 PM | 5:00 AM |
| 8:00 PM | 6:00 AM |
| 9:00 PM | 7:00 AM |
| 10:00 PM | 8:00 AM |
| 11:00 PM | 9:00 AM |
Daylight saving and how the gap changes
Around January the JST → Chicago offset is 15 hours behind JST. Around July it is 14 hours behind JST. That swing comes from one or both zones observing daylight saving on different schedules — the converter above always reflects the correct offset for the date you pick.
Frequently asked questions
- Is Chicago ahead of or behind JST right now?
- Chicago is currently 14 hours behind JST.
- What is the current JST to Chicago time difference?
- Right now the gap is 14 hours behind — Chicago is 14 hours behind JST.
- Does the JST → Chicago offset change during the year?
- Yes. Around January the offset is 15 hours behind JST; around July it is 14 hours behind JST. The converter above always reflects the correct offset for the date you pick.
- Does JST observe daylight saving time?
- No — Japan Standard Time stays at a fixed UTC offset year-round.
- Does Chicago observe daylight saving time?
- Yes — Chicago observes DST, so its UTC offset shifts by 1 hour(s) between winter and summer.
- What time is 9 AM JST in Chicago?
- 9:00 AM JST is 7:00 PM (previous day) Chicago.
- What time is 12 PM (noon) JST in Chicago?
- 12:00 PM JST is 10:00 PM (previous day) Chicago.
- What time is 5 PM JST in Chicago?
- 5:00 PM JST is 3:00 AM Chicago.
- When is the best time to schedule a call between JST and Chicago?
- JST and Chicago have no direct 09:00–17:00 overlap on the same calendar day. Consider early-morning or late-evening slots on one side, or an asynchronous handoff.
- What time zone does JST refer to?
- JST refers to Japan Standard Time (IANA: Asia/Tokyo).
- What time zone does Chicago refer to?
- Chicago uses the America/Chicago time zone.