| Date | Holiday Name | Type |
|---|
| Friday, January 01, 2021 | New Year's Day | Bank holiday |
| Saturday, January 02, 2021 | 2nd January | Local Bank Holiday |
| Wednesday, January 06, 2021 | Epiphany | Christian |
| Thursday, January 07, 2021 | Orthodox Christmas Day | Orthodox |
| Thursday, January 14, 2021 | Orthodox New Year | Orthodox |
| Monday, January 25, 2021 | Burns Night | Local observance |
| Sunday, January 31, 2021 | Tu B'Shevat (Arbor Day) | Jewish holiday |
| Saturday, February 13, 2021 | Maha Shivaratri | Hindu Holiday |
| Saturday, February 13, 2021 | Carnival/Shrove Tuesday | Christian |
| Sunday, February 14, 2021 | Carnival/Ash Wednesday | Christian |
| Sunday, February 14, 2021 | Valentine's Day | Observance |
| Tuesday, February 16, 2021 | Chinese New Year | Observance |
| Monday, March 01, 2021 | Purim | Jewish holiday |
| Monday, March 01, 2021 | St. David's Day | Observance |
| Tuesday, March 02, 2021 | Holi | Hindu Holiday |
| Thursday, March 11, 2021 | Mothering Sunday | Observance |
| Wednesday, March 17, 2021 | St Patrick's Day | Local Bank Holiday |
| Friday, March 19, 2021 | St Patrick's Day observed | Local Bank Holiday |
| Saturday, March 20, 2021 | March equinox | Season |
| Thursday, March 25, 2021 | Palm Sunday | Christian |
| Thursday, March 25, 2021 | Daylight Saving Time starts | Clock change/Daylight Saving Time |
| Monday, March 29, 2021 | Maundy Thursday | Christian |
| Tuesday, March 30, 2021 | Good Friday | Bank holiday |
| Wednesday, March 31, 2021 | First day of Passover | Jewish holiday |
| Wednesday, March 31, 2021 | Holy Saturday | Christian |
| Thursday, April 01, 2021 | Easter Sunday | Observance, Christian |
| Friday, April 02, 2021 | Easter Monday | Observance |
| Friday, April 02, 2021 | Easter Monday | Common Local holidays |
| Tuesday, April 06, 2021 | Orthodox Good Friday | Orthodox |
| Wednesday, April 07, 2021 | Last day of Passover | Jewish holiday |
| Wednesday, April 07, 2021 | Orthodox Holy Saturday | Orthodox |
| Thursday, April 08, 2021 | Orthodox Easter | Orthodox |
| Friday, April 09, 2021 | Orthodox Easter Monday | Orthodox |
| Sunday, April 11, 2021 | Yom HaShoah | Jewish holiday |
| Tuesday, April 13, 2021 | Isra and Mi'raj | Muslim |
| Monday, April 19, 2021 | Yom HaAtzmaut | Jewish holiday |
| Friday, April 23, 2021 | St. George's Day | Observance |
| Friday, April 23, 2021 | Shakespeare Day | Observance |
| Monday, May 03, 2021 | Lag B'Omer | Jewish holiday |
| Friday, May 07, 2021 | Early May Bank Holiday | Bank holiday |
| Sunday, May 09, 2021 | Liberation Day | Local Bank Holiday |
| Monday, May 10, 2021 | Ascension Day | Christian |
| Thursday, May 20, 2021 | Pentecost | Christian |
| Thursday, May 20, 2021 | Shavuot | Jewish holiday |
| Friday, May 21, 2021 | Whit Monday | Christian |
| Thursday, May 27, 2021 | Trinity Sunday | Christian |
| Friday, May 28, 2021 | Spring Bank Holiday | Bank holiday |
| Monday, May 31, 2021 | Corpus Christi | Christian |
| Wednesday, June 09, 2021 | Queen's Birthday | Observance |
| Thursday, June 10, 2021 | Laylat al-Qadr (Night of Destiny) | Muslim |
| Tuesday, June 15, 2021 | Eid-al-Fitr | Muslim |
| Thursday, June 17, 2021 | Father's Day | Observance |
| Monday, June 21, 2021 | June Solstice | Season |
| Monday, July 12, 2021 | Battle of the Boyne | Local Bank Holiday |
| Thursday, July 22, 2021 | Tisha B'Av | Jewish holiday |
| Friday, August 06, 2021 | Summer Bank Holiday | Common Local holidays |
| Sunday, August 15, 2021 | Assumption of Mary | Christian |
| Sunday, August 22, 2021 | Eid-al-Adha | Muslim |
| Thursday, August 26, 2021 | Raksha Bandhan | Hindu Holiday |
| Friday, August 27, 2021 | Summer Bank Holiday | Common Local holidays |
| Thursday, September 02, 2021 | Janmashtami | Hindu Holiday |
| Friday, September 10, 2021 | Rosh Hashana | Jewish holiday |
| Sunday, September 12, 2021 | Ganesh Chaturthi | Hindu Holiday |
| Sunday, September 12, 2021 | Muharram/Islamic New Year | Muslim |
| Sunday, September 19, 2021 | Yom Kippur | Jewish holiday |
| Thursday, September 23, 2021 | September equinox | Season |
| Friday, September 24, 2021 | First day of Sukkot | Jewish holiday |
| Thursday, September 30, 2021 | Last day of Sukkot | Jewish holiday |
| Friday, October 01, 2021 | Shmini Atzeret | Jewish holiday |
| Saturday, October 02, 2021 | Simchat Torah | Jewish holiday |
| Monday, October 04, 2021 | Feast of St Francis of Assisi | Christian |
| Saturday, October 09, 2021 | Navaratri | Hindu Holiday |
| Monday, October 18, 2021 | Dussehra | Hindu Holiday |
| Thursday, October 28, 2021 | Daylight Saving Time ends | Clock change/Daylight Saving Time |
| Sunday, October 31, 2021 | Halloween | Observance |
| Monday, November 01, 2021 | All Saints' Day | Christian |
| Tuesday, November 02, 2021 | All Souls' Day | Christian |
| Friday, November 05, 2021 | Guy Fawkes Day | Observance |
| Sunday, November 07, 2021 | Diwali/Deepavali | Observance |
| Thursday, November 11, 2021 | Remembrance Sunday | Observance |
| Sunday, November 21, 2021 | Prophet's Birthday | Muslim |
| Tuesday, November 30, 2021 | St Andrew's Day | Local Bank Holiday |
| Thursday, December 02, 2021 | First Sunday of Advent | Observance |
| Friday, December 03, 2021 | First Day of Hanukkah | Jewish holiday |
| Wednesday, December 08, 2021 | Feast of the Immaculate Conception | Christian |
| Friday, December 10, 2021 | Last day of Hanukkah | Jewish holiday |
| Tuesday, December 21, 2021 | December Solstice | Season |
| Friday, December 24, 2021 | Christmas Eve | Observance |
| Saturday, December 25, 2021 | Christmas Day | Bank holiday |
| Sunday, December 26, 2021 | Boxing Day | Bank holiday |
| Friday, December 31, 2021 | New Year's Eve | Observance |
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2020
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2022
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