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Working Days and Hours 2027 - Thailand

For Thailand in 2027, this Monday-to-Friday planning calendar gives 249 days and 1,992 hours at 8 hours per day, after the included public holidays. It assumes those holidays are not worked and excludes personal leave and company closures.

Sandtime.io editorial team ·

Complete guide to working hours, public holidays, and annual leave in Thailand for 2027

Looking for 2026? See working days and hours in Thailand for 2026

Some 2027 holiday dates in Thailand are not confirmed yet, so the totals on this page may change. The calendar scope below lists what is included.

249
Planned working days
in 2027
1,992
Working Hours
total
12
Public Holidays
on weekdays
6
Annual Leave
see eligibility and day-count rules

Monthly working days and hours 2027

For Thailand in 2027, this Monday-to-Friday planning calendar gives 249 days and 1,992 hours at 8 hours per day, after the included public holidays. It assumes those holidays are not worked and excludes personal leave and company closures.

Monday-Friday; included holidays not worked; daily hours stated in the guide; no personal leave or company closures deducted.

This partial calendar contains recurring fixed dates. Lunar Buddhist holidays, special government declarations and substitute dates are not included. Bank of Thailand calendars apply to financial institutions; do not assume they define every private employer’s holidays. Set the actual working weekdays.

On a small screen, scroll the table sideways to see every column. With a keyboard, focus the table region and use the arrow keys.

Calendar capacity under the stated planning assumptions - 2027
MonthPlanned working daysWorking hoursHolidays reducing the total
January 2027201601
February 2027201600
March 2027231840
April 2027181444
May 2027201601
June 2027211681
July 2027211681
August 2027211681
September 2027221760
October 2027201601
November 2027221760
December 2027211682
Total2491,99212
Monthly hours at a glance - 2027

The accessible table contains the same figures.

Working hours in January 2027

In January 2027, the calendar gives 20 working days and 160 hours for the selected schedule, after deducting 1 included holidays on working weekdays.

Working hours in February 2027

In February 2027, the calendar gives 20 working days and 160 hours for the selected schedule, after deducting 0 included holidays on working weekdays.

Working hours in March 2027

In March 2027, the calendar gives 23 working days and 184 hours for the selected schedule, after deducting 0 included holidays on working weekdays.

Working hours in April 2027

In April 2027, the calendar gives 18 working days and 144 hours for the selected schedule, after deducting 4 included holidays on working weekdays.

Working hours in May 2027

In May 2027, the calendar gives 20 working days and 160 hours for the selected schedule, after deducting 1 included holidays on working weekdays.

Working hours in June 2027

In June 2027, the calendar gives 21 working days and 168 hours for the selected schedule, after deducting 1 included holidays on working weekdays.

Working hours in July 2027

In July 2027, the calendar gives 21 working days and 168 hours for the selected schedule, after deducting 1 included holidays on working weekdays.

Working hours in August 2027

In August 2027, the calendar gives 21 working days and 168 hours for the selected schedule, after deducting 1 included holidays on working weekdays.

Working hours in September 2027

In September 2027, the calendar gives 22 working days and 176 hours for the selected schedule, after deducting 0 included holidays on working weekdays.

Working hours in October 2027

In October 2027, the calendar gives 20 working days and 160 hours for the selected schedule, after deducting 1 included holidays on working weekdays.

Working hours in November 2027

In November 2027, the calendar gives 22 working days and 176 hours for the selected schedule, after deducting 0 included holidays on working weekdays.

Working hours in December 2027

In December 2027, the calendar gives 21 working days and 168 hours for the selected schedule, after deducting 2 included holidays on working weekdays.

Plan hours for your working week

The calculator starts with work from Monday to Friday. Choose the days and daily hours that match your schedule. The result shows hours available after holidays; legal working-time limits depend on the rules for your workplace.

Working weekdays

Planning weekdays: Monday, Tuesday, Wednesday, Thursday, Friday; 8 hours/day. Included holidays are assumed not worked; leave and company closures are not deducted.

1,992 hours

On a small screen, scroll the table sideways to see every column. With a keyboard, focus the table region and use the arrow keys.

Calendar capacity under the stated planning assumptions - 2027
MonthPlanned working daysWorking hoursHolidays reducing the total
January 2027201601
February 2027201600
March 2027231840
April 2027181444
May 2027201601
June 2027211681
July 2027211681
August 2027211681
September 2027221760
October 2027201601
November 2027221760
December 2027211682
Total2491,99212

This partial preview contains recurring fixed dates. Lunar Buddhist holidays, special government declarations and substitute dates are not included. Bank of Thailand calendars apply to financial institutions; do not assume they define every private employer’s holidays. Set the actual working weekdays.

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How to read the working-hour totals

This partial calendar contains recurring fixed dates. Lunar Buddhist holidays, special government declarations and substitute dates are not included. Bank of Thailand calendars apply to financial institutions; do not assume they define every private employer’s holidays. Set the actual working weekdays.

Count the selected working weekdays, subtract the included holidays that fall on those days, then multiply the remaining days by daily hours. Each holiday date is counted once. A holiday on a day you already exclude does not reduce the total again. Legal reductions and official substitute days follow their own rules.

Local working-calendar questions and examples

How many working days are there in Thailand in 2027?

For Thailand in 2027, this Monday-to-Friday planning calendar gives 249 days and 1,992 hours at 8 hours per day, after the included public holidays. It assumes those holidays are not worked and excludes personal leave and company closures.

Which month has the most working hours in Thailand in 2027?

March, with 184 hours. The fewest are in April, with 144 hours, a difference of 40 hours for one full-time person before leave and closures.

How does 2027 compare with 2026 in Thailand?

With the same working week, 2027 has 1,992 working hours against 1,936 in 2026, a change of 56 hours. Compare the months side by side before reusing a staffing or delivery budget.

Are the 2027 holiday dates in Thailand confirmed?

Not all of them yet. The 2027 calendar in Thailand includes only the dates confirmed so far, so the totals may change when the remaining dates are announced. The scope statement on this page lists what is included.

A planning total is not a universal legal annual requirement. Contracts, collective agreements, regions, sectors and actual working schedules can change the result. Record personal leave and company closures separately, and check the country’s working-time rules before using a calendar for payroll.

Which months have the most and least working hours in 2027?

The 2027 calendar for Thailand has a highest monthly total of 184 hours (March). The lowest is 144 hours (April). The difference is 40 hours per full-time person before leave, absences and company closures.

Compare delivery commitments by available hours, not by the number of months. Two equally priced monthly retainers can require different staffing when one month has fewer working days. Keep the calendar assumptions fixed, then adjust for each person’s schedule and approved leave before promising project capacity.

From October’s hours to a realistic project budget

Illustrative example for October 2027: start with 160 hours, reserve 16 hours for two scheduled days of approved leave and 24 hours for internal work. That leaves 120 hours for project allocation. It is a planning budget, not a promise that every remaining hour is billable or a record of hours actually worked.

Before the month begins, assign capacity to projects. During the month, keep actual project hours separately. At close, compare planned capacity with recorded work and approved absences; explain the differences before preparing client reports. A national calendar cannot replace either the employee’s schedule or the project record.

Understand billable utilization · Plan project staffing with the free capacity template · Use approved timesheets for client billing

2026 versus 2027: compare the hours month by month

An unchanged annual total can hide a different monthly workload. Compare matching months before reusing a staffing or delivery budget for 2027. This table uses the same daily hours and weekday assumptions in both years; regional and employer-specific calendars still need their own adjustments.

On a small screen, scroll the table sideways to see every column. With a keyboard, focus the table region and use the arrow keys.

Monthly comparison of 2026 and 2027
Month20262027Change in hours
January1601600
February1601600
March16818416
April1441440
May1521608
June1601688
July1681680
August1601688
September1761760
October1601600
November1681768
December1601688
Total1,9361,99256

See the assumptions and confirmed dates for 2027 · Calculate a different period or working week

Free templates for planning and recording hours

Download editable spreadsheets or printable PDFs without registration. Keep calendar capacity, leave and actual time records separate.

From the calendar to reliable time records

A calendar tells you how many hours can be planned. A time record tells you which project used them. Review the actual hours before reporting or billing.

Working Hours and Leave in Thailand 2027

Working week used in calculations

Monday to Friday. Edit working weekdays in the calculator; legal limits and actual schedules are separate.

  • 8 hours per day
  • 5 days per week
  • 40 hours per week

Under the Labour Protection Act B.E. 2541 (1998, s.23), working hours for general work may not exceed 8 hours per day or 48 hours per week. For hazardous work, the limits are 7 hours per day and 42 hours per week.

Annual Leave Entitlement

6 days

Eligible employees receive at least six working days after one year of continuous service. Contracts may grant more.

Monthly Averages

  • 20.8 working days/month
  • 166.0 working hours/month

Public Holidays in Thailand 2027

The stated calendar for Thailand lists 15 holidays in 2027, with 12 falling on weekdays. See full public holidays list

This partial calendar contains recurring fixed dates. Lunar Buddhist holidays, special government declarations and substitute dates are not included. Bank of Thailand calendars apply to financial institutions; do not assume they define every private employer’s holidays. Set the actual working weekdays.

DateDayHoliday
Fri, Jan 1FridayNew Year’s Day (วันขึ้นปีใหม่)
Tue, Apr 6TuesdayChakri Memorial Day (วันจักรี)
Tue, Apr 13TuesdaySongkran Festival (วันสงกรานต์)
Wed, Apr 14WednesdaySongkran Festival (วันสงกรานต์)
Thu, Apr 15ThursdaySongkran Festival (วันสงกรานต์)
Sat, May 1SaturdayLabour DayWeekend
Tue, May 4TuesdayCoronation Day (วันฉัตรมงคล)
Thu, Jun 3ThursdayQueen’s Birthday (วันเฉลิมพระชนมพรรษาสมเด็จพระนางเจ้าฯ)
Wed, Jul 28WednesdayKing’s Birthday (วันเฉลิมพระชนมพรรษา)
Thu, Aug 12ThursdayMother’s Day (วันแม่แห่งชาติ)
Wed, Oct 13WednesdayKing Bhumibol Memorial Day (วันคล้ายวันสวรรคต)
Sat, Oct 23SaturdayChulalongkorn Day (วันปิยมหาราช)Weekend
Sun, Dec 5SundayFather’s Day (วันพ่อแห่งชาติ)Weekend
Fri, Dec 10FridayConstitution Day (วันรัฐธรรมนูญ)
Fri, Dec 31FridayNew Year’s Eve (วันสิ้นปี)

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