Clockjumper

Timezone conversion

CDT to JST Time — Convert Central Daylight Time (US) to Japan Standard Time

JST is currently 14 hours ahead of CDT. The gap shifts across the year: around January JST is 15 hours ahead of CDT, and around July it is 14 hours ahead of CDT, because one or both zones observe daylight saving.

JST is currently 14 hours ahead of CDT.

CDT • CDT (UTC-5)
9:31 AM
Thursday, Sep 10
JST • JST (UTC+9)
11:31 PM
Thursday, Sep 10

Interactive converter

From

12:00PM

To

Select both cities to see the converted time.

Pick a time to convert
:

Full CDT to JST conversion table

CDTJST
12:00 AM2:00 PM
1:00 AM3:00 PM
2:00 AM4:00 PM
3:00 AM5:00 PM
4:00 AM6:00 PM
5:00 AM7:00 PM
6:00 AM8:00 PM
7:00 AM9:00 PM
8:00 AM10:00 PM
9:00 AM11:00 PM
10:00 AM12:00 AM(next day)
11:00 AM1:00 AM(next day)
12:00 PM2:00 AM(next day)
1:00 PM3:00 AM(next day)
2:00 PM4:00 AM(next day)
3:00 PM5:00 AM(next day)
4:00 PM6:00 AM(next day)
5:00 PM7:00 AM(next day)
6:00 PM8:00 AM(next day)
7:00 PM9:00 AM(next day)
8:00 PM10:00 AM(next day)
9:00 PM11:00 AM(next day)
10:00 PM12:00 PM(next day)
11:00 PM1:00 PM(next day)

Daylight saving and how the gap changes

Around January JST is 15 hours ahead of CDT. Around July it is 14 hours ahead of CDT. 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 JST ahead of or behind CDT right now?
JST is currently 14 hours ahead of CDT.
What is the current CDT to JST time difference?
Right now the gap is 14 hours — JST is 14 hours ahead of CDT.
Does the CDT → JST offset change during the year?
Yes. Around January JST is 15 hours ahead of CDT; around July it is 14 hours ahead of CDT. The converter above always reflects the correct offset for the date you pick.
Does CDT observe daylight saving time?
CDT is itself the daylight-saving form. Central Daylight Time (US) is in force at UTC-5 through the summer months; outside that window the same zone is on CST (UTC-6).
Does JST observe daylight saving time?
No — Japan Standard Time stays at a fixed UTC offset year-round.
What time is 3 AM CDT in JST?
3:00 AM CDT is 5:00 PM JST.
What time is 8 AM CDT in JST?
8:00 AM CDT is 10:00 PM JST.
What time is 9 AM CDT in JST?
9:00 AM CDT is 11:00 PM JST.
What time is 10 AM CDT in JST?
10:00 AM CDT is 12:00 AM (next day) JST.
What time is 11 AM CDT in JST?
11:00 AM CDT is 1:00 AM (next day) JST.
What time is 12 PM (noon) CDT in JST?
12:00 PM CDT is 2:00 AM (next day) JST.
What time is 2 PM CDT in JST?
2:00 PM CDT is 4:00 AM (next day) JST.
What time is 3 PM CDT in JST?
3:00 PM CDT is 5:00 AM (next day) JST.
What time is 4 PM CDT in JST?
4:00 PM CDT is 6:00 AM (next day) JST.
What time is 5 PM CDT in JST?
5:00 PM CDT is 7:00 AM (next day) JST.
What time is 9 PM CDT in JST?
9:00 PM CDT is 11:00 AM (next day) JST.
What time is 10 PM CDT in JST?
10:00 PM CDT is 12:00 PM (next day) JST.
When is the best time to schedule a call between CDT and JST?
CDT and JST 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 CDT refer to?
CDT refers to Central Daylight Time (US) (IANA: America/Chicago).
What time zone does JST refer to?
JST refers to Japan Standard Time (IANA: Asia/Tokyo).

Related conversions

Learn more