How many days does January 1990 have?

January 1990 has 31 days. It starts on Monday and ends on Wednesday.

What ISO week does January 1990 start in?

1 January 1990 falls in ISO week 1. Weeks run Monday–Sunday per ISO 8601.

The calendar on this page marks every national public holiday of Thailand in January 1990 in red, with joint/regional days in amber.

ประเทศไทย has 16 official public holidays in 2026, listed above with their exact dates.

The first 2026 public holiday in ประเทศไทย is วันขึ้นปีใหม่, on 1 มกราคม.

Use the caldays long-weekend planner for ประเทศไทย to find every bridge day and turn a few days of leave into a longer break.

Kalender bulan

1 public holidays

จันทร์

อังคาร

พุธ

พฤหัส

ศุกร์

เสาร์

อาทิตย์

Thailand · 1990

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