Quick answer: about 1920h of working time across 240 working days in 2025, for Jan 1, 2025 through Dec 31, 2025, using a 08:00 workday.
Key insights
Total working time
1920h
Estimated for 2025.
Workday assumption
08:00
480 minutes per workday.
Highest month
January and September
176h estimated.
Lowest month
April and May
144h estimated.
Month-by-month estimate (2025)
Approximate working time per month = business days in that month × 08:00 (480 minutes per day).
| Month | Business days | Approx working time |
|---|---|---|
| January | 22 | 176h |
| February | 19 | 152h |
| March | 21 | 168h |
| April | 18 | 144h |
| May | 18 | 144h |
| June | 19 | 152h |
| July | 21 | 168h |
| August | 19 | 152h |
| September | 22 | 176h |
| October | 21 | 168h |
| November | 20 | 160h |
| December | 20 | 160h |
Related guides & tools
Frequently asked questions
How many working hours are in Thailand in 2025?
Thailand has about 1920h of working time in 2025, using a 08:00 workday and excluding weekends and national public holidays.
Which month has the fewest estimated hours?
April and May has the fewest estimated hours, at about 144h.
Which month has the most estimated hours?
January and September has the most estimated hours, at about 176h.
Can I change the workday length or working week?
Yes. Use the working hours calculator to set a different workday duration (for example 7.5 hours) or change weekdays.