New Year's Day
Ramadan Feast Eve (Estimated date)
Ramadan Feast (Eid al-Fitr) (Estimated date)
Ramadan Feast (Eid al-Fitr) (Estimated date)
Ramadan Feast (Eid al-Fitr) (Estimated date)
National Sovereignty and Children's Day
Sacrifice Feast Eve (Estimated date)
Sacrifice Feast (Eid al-Adha) (Estimated date)
Sacrifice Feast (Eid al-Adha) (Estimated date)
Sacrifice Feast (Eid al-Adha) (Estimated date)
Sacrifice Feast (Eid al-Adha) (Estimated date)
Commemoration of Atatürk, Youth and Sports Day
Victory Day
Republic Day Eve
Republic Day
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
 ‹ 1637
1638
1639 › 
# Date Public holiday
1Friday, 1 January 1638 New Year's Day
2Monday, 15 February 1638 Ramadan Feast Eve (Estimated date)
3Tuesday, 16 February 1638 Ramadan Feast (Eid al-Fitr) (Estimated date)
4Wednesday, 17 February 1638 Ramadan Feast (Eid al-Fitr) (Estimated date)
5Thursday, 18 February 1638 Ramadan Feast (Eid al-Fitr) (Estimated date)
6Friday, 23 April 1638 National Sovereignty and Children's Day
7Saturday, 24 April 1638 Sacrifice Feast Eve (Estimated date)
8Sunday, 25 April 1638 Sacrifice Feast (Eid al-Adha) (Estimated date)
9Monday, 26 April 1638 Sacrifice Feast (Eid al-Adha) (Estimated date)
10Tuesday, 27 April 1638 Sacrifice Feast (Eid al-Adha) (Estimated date)
11Wednesday, 28 April 1638 Sacrifice Feast (Eid al-Adha) (Estimated date)
12Wednesday, 19 May 1638 Commemoration of Atatürk, Youth and Sports Day
13Monday, 30 August 1638 Victory Day
14Thursday, 28 October 1638 Republic Day Eve
15Friday, 29 October 1638 Republic Day