| January |
|---|
Wed Wednesday, January 1, 2025 | New Year's Day New Year’s Day is the first day of the year, or January 1, in the Gregorian calendar. | New Year’s Day is the first day of the year, or January 1, in the Gregorian calendar. | National holiday | All |
Thu Thursday, January 2, 2025 | New Year holiday New Year holiday is a national holiday in Slovenia | New Year holiday is a national holiday in Slovenia | National holiday | All |
| February |
|---|
Sat Saturday, February 8, 2025 | Prešeren Day Prešeren Day is a national holiday in Slovenia | Prešeren Day is a national holiday in Slovenia | National holiday | All |
| March |
|---|
Thu Thursday, March 20, 2025 | March Equinox March Equinox in Slovenia (Ljubljana) | March Equinox in Slovenia (Ljubljana) | Season | All |
Tue Tuesday, March 25, 2025 | Mothers' Day Mother’s Day celebrates the achievements and efforts of mothers and mother figures. | Mother’s Day celebrates the achievements and efforts of mothers and mother figures. | Observance | All |
| April |
|---|
Sun Sunday, April 20, 2025 | Easter Sunday Easter Sunday commemorates Jesus Christ’s resurrection, according to Christian belief. | Easter Sunday commemorates Jesus Christ’s resurrection, according to Christian belief. | National holiday | All |
Mon Monday, April 21, 2025 | Easter Monday Easter Monday is the day after Easter Sunday. | Easter Monday is the day after Easter Sunday. | National holiday | All |
Sun Sunday, April 27, 2025 | Day of Uprising Against Occupation Day of Uprising Against Occupation is a national holiday in Slovenia | Day of Uprising Against Occupation is a national holiday in Slovenia | National holiday | All |
| May |
|---|
Thu Thursday, May 1, 2025 | Labor Day / May Day Labor Day, International Workers' Day, and May Day, is a day off for workers in many countries around the world. | Labor Day, International Workers' Day, and May Day, is a day off for workers in many countries around the world. | National holiday | All |
Fri Friday, May 2, 2025 | Labour Day holiday Labour Day holiday is a national holiday in Slovenia | Labour Day holiday is a national holiday in Slovenia | National holiday | All |
| June |
|---|
Sun Sunday, June 8, 2025 | Whit Sunday Many Christians all over the world annually observe Pentecost, also known as Whitsunday or Whit Sunday. | Many Christians all over the world annually observe Pentecost, also known as Whitsunday or Whit Sunday. | National holiday | All |
Sun Sunday, June 8, 2025 | Primož Trubar Day Primož Trubar Day is a observance in Slovenia | Primož Trubar Day is a observance in Slovenia | Observance | All |
Sun Sunday, June 15, 2025 | Fathers' Day Father’s Day celebrates fatherhood and male parenting on different dates worldwide. | Father’s Day celebrates fatherhood and male parenting on different dates worldwide. | Observance | All |
Sat Saturday, June 21, 2025 | June Solstice June Solstice in Slovenia (Ljubljana) | June Solstice in Slovenia (Ljubljana) | Season | All |
Wed Wednesday, June 25, 2025 | Statehood Day Statehood Day is a national holiday in Slovenia | Statehood Day is a national holiday in Slovenia | National holiday | All |
| August |
|---|
Fri Friday, August 15, 2025 | Assumption of Mary The Christian feast of the Assumption of Mary is on or around Aug 15 in most countries. A few celebrate Assumption Day at other times of the year. | The Christian feast of the Assumption of Mary is on or around Aug 15 in most countries. A few celebrate Assumption Day at other times of the year. | National holiday | All |
Sun Sunday, August 17, 2025 | Slovenians in Prekmurje Incorporated into the Mother Nation Day Slovenians in Prekmurje Incorporated into the Mother Nation Day is a observance in Slovenia | Slovenians in Prekmurje Incorporated into the Mother Nation Day is a observance in Slovenia | Observance | All |
| September |
|---|
Mon Monday, September 15, 2025 | Restoration of Primorska to the Motherland Day Restoration of Primorska to the Motherland Day is a observance in Slovenia | Restoration of Primorska to the Motherland Day is a observance in Slovenia | Observance | All |
Mon Monday, September 22, 2025 | September Equinox September Equinox in Slovenia (Ljubljana) | September Equinox in Slovenia (Ljubljana) | Season | All |
Tue Tuesday, September 23, 2025 | Slovenian Sports Day Slovenian Sports Day is a observance in Slovenia | Slovenian Sports Day is a observance in Slovenia | Observance | All |
| October |
|---|
Sat Saturday, October 25, 2025 | Sovereignty Day Sovereignty Day is a observance in Slovenia | Sovereignty Day is a observance in Slovenia | Observance | All |
Fri Friday, October 31, 2025 | Reformation Day Reformation Day is a national holiday in Slovenia | Reformation Day is a national holiday in Slovenia | National holiday | All |
| November |
|---|
Sat Saturday, November 1, 2025 | Remembrance Day Many churches honor all their saints on All Saints' Day, also known as All Hallows' Day. | Many churches honor all their saints on All Saints' Day, also known as All Hallows' Day. | National holiday | All |
Sun Sunday, November 23, 2025 | Rudolf Maister Day Rudolf Maister Day is a observance in Slovenia | Rudolf Maister Day is a observance in Slovenia | Observance | All |
| December |
|---|
Sun Sunday, December 21, 2025 | December Solstice December Solstice in Slovenia (Ljubljana) | December Solstice in Slovenia (Ljubljana) | Season | All |
Thu Thursday, December 25, 2025 | Christmas Day Christmas Day is one of the biggest Christian celebrations and falls on December 25 in the Gregorian calendar. | Christmas Day is one of the biggest Christian celebrations and falls on December 25 in the Gregorian calendar. | National holiday | All |
Fri Friday, December 26, 2025 | Independence and Unity Day Independence and Unity Day is a national holiday in Slovenia | Independence and Unity Day is a national holiday in Slovenia | National holiday | All |