Tokyo to Round Rock time converter

Round Rock is 14 hours behind Tokyo. When it is 9:00 AM in Tokyo, it is 7:00 PM (Sun, Oct 18) in Round Rock.

Tokyo JST

Monday, October 19, 2026

Round Rock CDT

Monday, October 19, 2026

Tokyo
Japan
Mon, Oct 19
JSTUTC+9
Round Rock
Texas, United States
Mon, Oct 19
CDTUTC-5-14h
Finding your time zone…
Shared working hours (9:00–18:00)

Tokyo to Round Rock conversion table

Every hour of today in Tokyo and the matching time in Round Rock. Light rows are typical working hours (9:00–18:00).

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

Best time to call or meet

Working hours don't overlap fully. The closest fit is 7:00 AM – 8:00 AM in Tokyo (5:00 PM – 6:00 PM in Round Rock): working hours on one side, early or late on the other.

Daylight saving time and the difference

The difference changes during the year because Tokyo and Round Rock switch clocks on different dates:

  • Oct 19, 2026 – Nov 1, 2026: -14h
  • Nov 1, 2026 – Mar 14, 2027: -15h
  • Mar 14, 2027 – Oct 19, 2027: -14h

Distance

Tokyo and Round Rock are 10,525 km (6,540 miles) apart in a straight line.

More conversions

Round Rock to TokyoTokyo to New YorkTokyo to LondonTokyo to Los AngelesTokyo to ChicagoTokyo to TorontoTokyo to São PauloTokyo to ParisTokyo to BerlinTokyo to MoscowTokyo to DubaiTokyo to New DelhiTokyo to Bangkok
New York to Round RockLondon to Round RockLos Angeles to Round RockChicago to Round RockToronto to Round RockSão Paulo to Round RockParis to Round RockBerlin to Round RockMoscow to Round RockDubai to Round RockNew Delhi to Round RockBangkok to Round Rock

Questions and answers

What is the time difference between Tokyo and Round Rock?

Round Rock is 14 hours behind Tokyo.

What time is it in Round Rock when it is 9 AM in Tokyo?

When it is 9:00 AM in Tokyo, it is 7:00 PM (Sun, Oct 18) in Round Rock.

When is the best time to call Round Rock from Tokyo?

Working hours don't overlap fully. The closest fit is 7:00 AM – 8:00 AM in Tokyo (5:00 PM – 6:00 PM in Round Rock): working hours on one side, early or late on the other.

Does the time difference between Tokyo and Round Rock change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.