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
 ‹ 1865
1866
1867 › 
# Date Public holiday
1Monday, 1 January 1866 New Year's Day
2Friday, 16 February 1866 Ramadan Feast Eve (Estimated date)
3Saturday, 17 February 1866 Ramadan Feast (Eid al-Fitr) (Estimated date)
4Sunday, 18 February 1866 Ramadan Feast (Eid al-Fitr) (Estimated date)
5Monday, 19 February 1866 Ramadan Feast (Eid al-Fitr) (Estimated date)
6Monday, 23 April 1866 National Sovereignty and Children's Day
7Wednesday, 25 April 1866 Sacrifice Feast Eve (Estimated date)
8Thursday, 26 April 1866 Sacrifice Feast (Eid al-Adha) (Estimated date)
9Friday, 27 April 1866 Sacrifice Feast (Eid al-Adha) (Estimated date)
10Saturday, 28 April 1866 Sacrifice Feast (Eid al-Adha) (Estimated date)
11Sunday, 29 April 1866 Sacrifice Feast (Eid al-Adha) (Estimated date)
12Saturday, 19 May 1866 Commemoration of Atatürk, Youth and Sports Day
13Thursday, 30 August 1866 Victory Day
14Sunday, 28 October 1866 Republic Day Eve
15Monday, 29 October 1866 Republic Day