Chiang Mai to San Lorenzo: time difference

San Lorenzo is 11 h behind Chiang Mai. Live clocks for both, the working hours they share, and how each one sits against your own time.

−11 h

One day, 2 clocks

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

Chiang Mai 20:18 8:18 PM San Lorenzo 09:18 9:18 AM
Chiang Mai 20:18 8:18 PM San Lorenzo 09:18 9:18 AM You –:–
🇹🇭 Chiang Mai

20:18 8:18 PM

Indochina Time · UTC+7

☀️ 06:23 · 🌙 17:54

🇵🇷 San Lorenzo

09:18 9:18 AM

Atlantic Standard Time · UTC-4

☀️ 06:22 · 🌙 17:54

⇄ Difference

−11 h

San Lorenzo is 11 h behind Chiang Mai.

When you, Chiang Mai and San Lorenzo are all at the desk

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

Working hours
🇹🇭 Chiang Mai
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
🇵🇷 San Lorenzo
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 12 12 PM
  • Asleep
  • Early
  • Working hours
  • Evening
  • Both working
  • Right now

Time zones side by side

Detail 🇹🇭 Chiang Mai 🇵🇷 San Lorenzo
Local time 20:18 09:18
Local date Wednesday, October 28, 2026 Wednesday, October 28, 2026
Time zone Indochina Time Atlantic Standard Time
UTC offset UTC+7 UTC-4
Offset from Chiang Mai — −11 h
IANA zone Asia/Bangkok America/Puerto Rico
Daylight saving Not observed Not observed
Sunrise 06:23 06:22
Sunset 17:54 17:54
Daylight 11 h 31 min 11 h 32 min
People on this clock 127,240 9,373

Compare Chiang Mai with another city

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

Chiang Mai and San Lorenzo: common questions

How far behind Chiang Mai is San Lorenzo?
San Lorenzo is 11 hours behind Chiang Mai: UTC−4 against UTC+7.
What time is it in San Lorenzo at the start of the working day in Chiang Mai?
The working day in Chiang Mai starts at 9:00 AM; in San Lorenzo it is 10:00 PM (the previous day) at that moment.
What time is it in San Lorenzo at the end of the working day in Chiang Mai?
The working day in Chiang Mai ends at 6:00 PM; in San Lorenzo it is 7:00 AM at that moment.
When do working hours in Chiang Mai and in San Lorenzo overlap?
They don't: there are no shared working hours. The start of the day in Chiang Mai (9:00 AM) is 10:00 PM (the previous day) in San Lorenzo, and the start of the day in San Lorenzo is 8:00 PM in Chiang Mai.
When is it still the previous day in San Lorenzo?
Until 11:00 AM in Chiang Mai it is still the previous day in San Lorenzo. The other way round, from 1:00 PM in San Lorenzo it is already the next day in Chiang Mai.
Does the time difference between Chiang Mai and San Lorenzo change?
No. Neither place uses daylight saving time, so the difference stays 11 hours all year.
Show times on the 12-hour clock, temperatures in °F and distances in miles?