| Date | Holiday Name | Type |
|---|
| Sunday, January 01, 2023 | New Year's Day | Bank holiday |
| Monday, January 02, 2023 | 2nd January | Local Bank Holiday |
| Friday, January 06, 2023 | Epiphany | Christian |
| Saturday, January 07, 2023 | Orthodox Christmas Day | Orthodox |
| Saturday, January 14, 2023 | Orthodox New Year | Orthodox |
| Wednesday, January 25, 2023 | Burns Night | Local observance |
| Tuesday, January 31, 2023 | Tu B'Shevat (Arbor Day) | Jewish holiday |
| Monday, February 13, 2023 | Maha Shivaratri | Hindu Holiday |
| Monday, February 13, 2023 | Carnival/Shrove Tuesday | Christian |
| Tuesday, February 14, 2023 | Carnival/Ash Wednesday | Christian |
| Tuesday, February 14, 2023 | Valentine's Day | Observance |
| Thursday, February 16, 2023 | Chinese New Year | Observance |
| Wednesday, March 01, 2023 | Purim | Jewish holiday |
| Wednesday, March 01, 2023 | St. David's Day | Observance |
| Thursday, March 02, 2023 | Holi | Hindu Holiday |
| Saturday, March 11, 2023 | Mothering Sunday | Observance |
| Friday, March 17, 2023 | St Patrick's Day | Local Bank Holiday |
| Sunday, March 19, 2023 | St Patrick's Day observed | Local Bank Holiday |
| Monday, March 20, 2023 | March equinox | Season |
| Saturday, March 25, 2023 | Palm Sunday | Christian |
| Saturday, March 25, 2023 | Daylight Saving Time starts | Clock change/Daylight Saving Time |
| Wednesday, March 29, 2023 | Maundy Thursday | Christian |
| Thursday, March 30, 2023 | Good Friday | Bank holiday |
| Friday, March 31, 2023 | First day of Passover | Jewish holiday |
| Friday, March 31, 2023 | Holy Saturday | Christian |
| Saturday, April 01, 2023 | Easter Sunday | Observance, Christian |
| Sunday, April 02, 2023 | Easter Monday | Observance |
| Sunday, April 02, 2023 | Easter Monday | Common Local holidays |
| Thursday, April 06, 2023 | Orthodox Good Friday | Orthodox |
| Friday, April 07, 2023 | Last day of Passover | Jewish holiday |
| Friday, April 07, 2023 | Orthodox Holy Saturday | Orthodox |
| Saturday, April 08, 2023 | Orthodox Easter | Orthodox |
| Sunday, April 09, 2023 | Orthodox Easter Monday | Orthodox |
| Tuesday, April 11, 2023 | Yom HaShoah | Jewish holiday |
| Thursday, April 13, 2023 | Isra and Mi'raj | Muslim |
| Wednesday, April 19, 2023 | Yom HaAtzmaut | Jewish holiday |
| Sunday, April 23, 2023 | St. George's Day | Observance |
| Sunday, April 23, 2023 | Shakespeare Day | Observance |
| Wednesday, May 03, 2023 | Lag B'Omer | Jewish holiday |
| Sunday, May 07, 2023 | Early May Bank Holiday | Bank holiday |
| Tuesday, May 09, 2023 | Liberation Day | Local Bank Holiday |
| Wednesday, May 10, 2023 | Ascension Day | Christian |
| Saturday, May 20, 2023 | Pentecost | Christian |
| Saturday, May 20, 2023 | Shavuot | Jewish holiday |
| Sunday, May 21, 2023 | Whit Monday | Christian |
| Saturday, May 27, 2023 | Trinity Sunday | Christian |
| Sunday, May 28, 2023 | Spring Bank Holiday | Bank holiday |
| Wednesday, May 31, 2023 | Corpus Christi | Christian |
| Friday, June 09, 2023 | Queen's Birthday | Observance |
| Saturday, June 10, 2023 | Laylat al-Qadr (Night of Destiny) | Muslim |
| Thursday, June 15, 2023 | Eid-al-Fitr | Muslim |
| Saturday, June 17, 2023 | Father's Day | Observance |
| Wednesday, June 21, 2023 | June Solstice | Season |
| Wednesday, July 12, 2023 | Battle of the Boyne | Local Bank Holiday |
| Saturday, July 22, 2023 | Tisha B'Av | Jewish holiday |
| Sunday, August 06, 2023 | Summer Bank Holiday | Common Local holidays |
| Tuesday, August 15, 2023 | Assumption of Mary | Christian |
| Tuesday, August 22, 2023 | Eid-al-Adha | Muslim |
| Saturday, August 26, 2023 | Raksha Bandhan | Hindu Holiday |
| Sunday, August 27, 2023 | Summer Bank Holiday | Common Local holidays |
| Saturday, September 02, 2023 | Janmashtami | Hindu Holiday |
| Sunday, September 10, 2023 | Rosh Hashana | Jewish holiday |
| Tuesday, September 12, 2023 | Ganesh Chaturthi | Hindu Holiday |
| Tuesday, September 12, 2023 | Muharram/Islamic New Year | Muslim |
| Tuesday, September 19, 2023 | Yom Kippur | Jewish holiday |
| Saturday, September 23, 2023 | September equinox | Season |
| Sunday, September 24, 2023 | First day of Sukkot | Jewish holiday |
| Saturday, September 30, 2023 | Last day of Sukkot | Jewish holiday |
| Sunday, October 01, 2023 | Shmini Atzeret | Jewish holiday |
| Monday, October 02, 2023 | Simchat Torah | Jewish holiday |
| Wednesday, October 04, 2023 | Feast of St Francis of Assisi | Christian |
| Monday, October 09, 2023 | Navaratri | Hindu Holiday |
| Wednesday, October 18, 2023 | Dussehra | Hindu Holiday |
| Saturday, October 28, 2023 | Daylight Saving Time ends | Clock change/Daylight Saving Time |
| Tuesday, October 31, 2023 | Halloween | Observance |
| Wednesday, November 01, 2023 | All Saints' Day | Christian |
| Thursday, November 02, 2023 | All Souls' Day | Christian |
| Sunday, November 05, 2023 | Guy Fawkes Day | Observance |
| Tuesday, November 07, 2023 | Diwali/Deepavali | Observance |
| Saturday, November 11, 2023 | Remembrance Sunday | Observance |
| Tuesday, November 21, 2023 | Prophet's Birthday | Muslim |
| Thursday, November 30, 2023 | St Andrew's Day | Local Bank Holiday |
| Saturday, December 02, 2023 | First Sunday of Advent | Observance |
| Sunday, December 03, 2023 | First Day of Hanukkah | Jewish holiday |
| Friday, December 08, 2023 | Feast of the Immaculate Conception | Christian |
| Sunday, December 10, 2023 | Last day of Hanukkah | Jewish holiday |
| Thursday, December 21, 2023 | December Solstice | Season |
| Sunday, December 24, 2023 | Christmas Eve | Observance |
| Monday, December 25, 2023 | Christmas Day | Bank holiday |
| Tuesday, December 26, 2023 | Boxing Day | Bank holiday |
| Sunday, December 31, 2023 | New Year's Eve | Observance |
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2024
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