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Castov
Live IANA Timezone Engine • Auto-DST

JST to PST Time Converter (Tokyo to Los Angeles / San Francisco)

Convert JST (Japan Standard Time, Tokyo) to PST (Pacific Time (US & Canada), Los Angeles / San Francisco) instantly. View live clocks, 24-hour comparison table, best meeting overlap hours, and developer code snippets.

JST — TokyoAsia/Tokyo
9:00 PM
Fri, Oct 16 (21:00)Awake / Flex
PST — Los Angeles / San FranciscoAmerica/Los_Angeles
5:00 AM
Fri, Oct 16 (05:00)Sleeping

Interactive Hour Converter (JST → PST)

Drag slider to test any hour
When it is in JST (Tokyo):
9:00 AM (09:00)
It is in PST (Los Angeles / San Francisco):
5:00 PM (17:00)

24-Hour JST to PST Time Conversion Table

Side-by-side hourly reference with business hours overlap indicators.

JST (Tokyo)24hPST (Los Angeles / San Francisco)24hStatus in PST
12:00 AM00:008:00 AM08:00
Awake / Flex
1:00 AM01:009:00 AM09:00
Work Hours
2:00 AM02:0010:00 AM10:00
Work Hours
3:00 AM03:0011:00 AM11:00
Work Hours
4:00 AM04:0012:00 PM12:00
Work Hours
5:00 AM05:001:00 PM13:00
Work Hours
6:00 AM06:002:00 PM14:00
Work Hours
7:00 AM07:003:00 PM15:00
Work Hours
8:00 AM08:004:00 PM16:00
Work Hours
9:00 AM09:005:00 PM17:00
Work Hours★ Best Meeting Overlap
10:00 AM10:006:00 PM18:00
Awake / Flex
11:00 AM11:007:00 PM19:00
Awake / Flex
12:00 PM12:008:00 PM20:00
Awake / Flex
1:00 PM13:009:00 PM21:00
Awake / Flex
2:00 PM14:0010:00 PM22:00
Awake / Flex
3:00 PM15:0011:00 PM23:00
Sleeping
4:00 PM16:0012:00 AM00:00
Sleeping
5:00 PM17:001:00 AM01:00
Sleeping
6:00 PM18:002:00 AM02:00
Sleeping
7:00 PM19:003:00 AM03:00
Sleeping
8:00 PM20:004:00 AM04:00
Sleeping
9:00 PM21:005:00 AM05:00
Sleeping
10:00 PM22:006:00 AM06:00
Sleeping
11:00 PM23:007:00 AM07:00
Awake / Flex

Developer Code Snippets (JST to PST)

JavaScript / TypeScript (Intl API)
// Convert current time from JST (Asia/Tokyo) to PST (America/Los_Angeles)
const now = new Date();
const inPST = new Intl.DateTimeFormat('en-US', {
  timeZone: 'America/Los_Angeles',
  dateStyle: 'medium',
  timeStyle: 'long'
}).format(now);
console.log(inPST);
Python 3.9+ (zoneinfo)
# Python 3.9+ using standard zoneinfo
from datetime import datetime
from zoneinfo import ZoneInfo

dt_jst = datetime.now(ZoneInfo("Asia/Tokyo"))
dt_pst = dt_jst.astimezone(ZoneInfo("America/Los_Angeles"))
print(f"JST: {dt_jst.strftime('%Y-%m-%d %H:%M %Z')}")
print(f"PST: {dt_pst.strftime('%Y-%m-%d %H:%M %Z')}")

Frequently Asked Questions (JST → PST)

How do I convert JST to PST?

JST (Japan Standard Time) uses the IANA timezone identifier Asia/Tokyo (standard offset +09:00), while PST (Pacific Time (US & Canada)) uses America/Los_Angeles (standard offset -08:00). Use the interactive slider or the 24-hour table above to convert any hour accurately with automatic Daylight Saving Time (DST) adjustment.

What are the best meeting hours between Tokyo and Los Angeles / San Francisco?

Check the rows highlighted with "Best Meeting Overlap" in the 24-hour table above, where both JST and PST fall within standard 9:00 AM – 5:00 PM working hours.

Does JST to PST account for Daylight Saving Time (DST)?

Yes. Castov uses the browser's native IANA tzdb engine (Asia/Tokyo and America/Los_Angeles), which automatically applies official Daylight Saving Time transitions.

Related Timezone Conversions

EST → PSTNew York to Los Angeles / San FranciscoUTC → PSTUTC / Greenwich to Los Angeles / San FranciscoGMT → PSTLondon to Los Angeles / San FranciscoCST → PSTChicago to Los Angeles / San FranciscoIST → PSTMumbai / Bengaluru to Los Angeles / San FranciscoJST → ESTTokyo to New YorkJST → UTCTokyo to UTC / GreenwichAEST → PSTSydney to Los Angeles / San Francisco