Phuket to Old Harbour: time difference

Old Harbour is 12 h behind Phuket. Live clocks for both, the working hours they share, and how each one sits against your own time.

🇹🇭 Phuket, Thailand

12

4:47 AM · Monday, October 19, 2026

  • Indochina Time
  • UTC+7
  • Night

☀️ 06:14 · 🌙 18:10 · 11 h 56 min

−12 h

One day, 2 clocks

Drag along the band to read any hour in every place at once.

Phuket 04:47 4:47 AM Old Harbour 16:47 4:47 PM
Phuket 04:47 4:47 AM Old Harbour 16:47 4:47 PM You –:–
🇹🇭 Phuket

04:47 4:47 AM

Indochina Time · UTC+7

☀️ 06:14 · 🌙 18:10

🇯🇲 Old Harbour

16:47 4:47 PM

Eastern Standard Time · UTC-5

☀️ 06:03 · 🌙 17:45

⇄ Difference

−12 h

Old Harbour is 12 h behind Phuket.

When you, Phuket and Old Harbour are all at the desk

Pick the working hours below – the window every location shares appears once your time zone is known.

Working hours
🇹🇭 Phuket
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇯🇲 Old Harbour
12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM
  • Asleep
  • Early
  • Working hours
  • Evening
  • Both working
  • Right now

Time zones side by side

Detail 🇹🇭 Phuket 🇯🇲 Old Harbour
Local time 04:47 16:47
Local date Monday, October 19, 2026 Sunday, October 18, 2026
Time zone Indochina Time Eastern Standard Time
UTC offset UTC+7 UTC-5
Offset from Phuket — −12 h
IANA zone Asia/Bangkok America/Jamaica
Daylight saving Not observed Not observed
Sunrise 06:14 06:03
Sunset 18:10 17:45
Daylight 11 h 56 min 11 h 42 min
People on this clock 79,308 26,024

Compare Phuket with another city

More comparisons with Phuket: the time zones next to it and the far side of the clock.

Phuket and Old Harbour: common questions

What is the time difference between Phuket and Old Harbour?
Old Harbour is 12 hours behind: it uses UTC−5, while Phuket is on UTC+7.
If it is 9:00 AM in Phuket, what time is it in Old Harbour?
At 9:00 AM in Phuket, clocks in Old Harbour show 9:00 PM (the previous day).
If it is 6:00 PM in Phuket, what time is it in Old Harbour?
At 6:00 PM in Phuket, clocks in Old Harbour show 6:00 AM.
When is a good time to call Old Harbour from Phuket?
Working hours (9:00 AM–6:00 PM) in Phuket and in Old Harbour do not overlap. At 9:00 AM in Phuket it is 9:00 PM (the previous day) in Old Harbour; when the working day starts in Old Harbour, it is 9:00 PM in Phuket.
Until what time in Phuket is it still yesterday in Old Harbour?
Before 12:00 PM in Phuket, the date in Old Harbour has not changed yet. From 12:00 PM in Old Harbour, it is already the next day in Phuket.
Does the time difference between Phuket and Old Harbour change?
No. Neither place uses daylight saving time, so the difference stays 12 hours all year.
Show times on the 12-hour clock, temperatures in °F and distances in miles?