| 1 Jan, 2026 (Thu) | New Year's Day | Bank Holiday |
| 2 Jan, 2026 (Fri) | 2nd January | Local Bank Holiday |
| 5 Jan, 2026 (Mon) | Twelfth Night | Observance, Christian |
| 6 Jan, 2026 (Tue) | Epiphany | Observance, Christian |
| 7 Jan, 2026 (Wed) | Orthodox Christmas Day | Observance, Orthodox |
| 14 Jan, 2026 (Wed) | Orthodox New Year | Observance, Orthodox |
| 16 Jan, 2026 (Fri) | Isra and Mi'raj | Muslim |
| 17 Jan, 2026 (Sat) | Isra and Mi'raj | Muslim |
| 18 Jan, 2026 (Sun) | Isra and Mi'raj | Muslim |
| 25 Jan, 2026 (Sun) | Burns Night | Local Observance |
| 2 Feb, 2026 (Mon) | Tu B'Shevat | Jewish Holiday |
| 14 Feb, 2026 (Sat) | Valentine's Day | Observance |
| 17 Feb, 2026 (Tue) | Carnival / Shrove Tuesday / Pancake Day | Observance, Christian |
| 17 Feb, 2026 (Tue) | Lunar New Year | Observance |
| 18 Feb, 2026 (Wed) | Ramadan Start (Tentative Date) | Muslim |
| 18 Feb, 2026 (Wed) | Carnival / Ash Wednesday | Observance, Christian |
| 1 Mar, 2026 (Sun) | St. David's Day | Local Observance |
| 3 Mar, 2026 (Tue) | Purim | Jewish Holiday |
| 15 Mar, 2026 (Sun) | Lailat al-Qadr | Muslim |
| 15 Mar, 2026 (Sun) | Mother's Day | Observance |
| 17 Mar, 2026 (Tue) | St. Patrick's Day | Local Bank Holiday |
| 20 Mar, 2026 (Fri) | Eid ul Fitr (Tentative Date) | Muslim |
| 20 Mar, 2026 (Fri) | March Equinox | Season |
| 29 Mar, 2026 (Sun) | Palm Sunday | Observance, Christian |
| 29 Mar, 2026 (Sun) | Daylight Saving Time starts | Clock Change/Daylight Saving Time |
| 2 Apr, 2026 (Thu) | Maundy Thursday | Observance, Christian |
| 2 Apr, 2026 (Thu) | First day of Passover | Jewish Holiday |
| 3 Apr, 2026 (Fri) | Good Friday | Bank Holiday |
| 4 Apr, 2026 (Sat) | Holy Saturday | Observance, Christian |
| 5 Apr, 2026 (Sun) | Easter Sunday | Observance, Christian |
| 6 Apr, 2026 (Mon) | Easter Monday | Local Observance |
| 6 Apr, 2026 (Mon) | Easter Monday | Common Local Holiday |
| 9 Apr, 2026 (Thu) | Last day of Passover | Jewish Holiday |
| 10 Apr, 2026 (Fri) | Orthodox Good Friday | Observance, Orthodox |
| 11 Apr, 2026 (Sat) | Orthodox Holy Saturday | Observance, Orthodox |
| 12 Apr, 2026 (Sun) | Orthodox Easter | Observance, Orthodox |
| 13 Apr, 2026 (Mon) | Orthodox Easter Monday | Observance, Orthodox |
| 14 Apr, 2026 (Tue) | Yom HaShoah | Jewish Commemoration |
| 22 Apr, 2026 (Wed) | Yom HaAtzmaut | Jewish Holiday |
| 22 Apr, 2026 (Wed) | Stephen Lawrence Day | Observance |
| 23 Apr, 2026 (Thu) | St. George's Day | Local Observance |
| 23 Apr, 2026 (Thu) | Shakespeare Day | Observance |
| 4 May, 2026 (Mon) | Early May Bank Holiday | Bank Holiday |
| 5 May, 2026 (Tue) | Lag B'Omer | Jewish Holiday |
| 14 May, 2026 (Thu) | Ascension Day | Observance, Christian |
| 22 May, 2026 (Fri) | Shavuot | Jewish Holiday |
| 24 May, 2026 (Sun) | Pentecost | Observance, Christian |
| 25 May, 2026 (Mon) | Whit Monday | Observance, Christian |
| 25 May, 2026 (Mon) | Spring Bank Holiday | Bank Holiday |
| 27 May, 2026 (Wed) | Eid al-Adha (Tentative Date) | Muslim |
| 31 May, 2026 (Sun) | Trinity Sunday | Observance, Christian |
| 4 Jun, 2026 (Thu) | Corpus Christi | Observance, Christian |
| 17 Jun, 2026 (Wed) | Muharram (Tentative Date) | Muslim |
| 20 Jun, 2026 (Sat) | King's Birthday | Observance |
| 21 Jun, 2026 (Sun) | Father's Day | Observance |
| 21 Jun, 2026 (Sun) | June Solstice | Season |
| 22 Jun, 2026 (Mon) | Windrush Day | Observance |
| 26 Jun, 2026 (Fri) | Ashura (Tentative Date) | Muslim |
| 12 Jul, 2026 (Sun) | Battle of the Boyne | Local Bank Holiday |
| 13 Jul, 2026 (Mon) | Battle of the Boyne observed | Local Bank Holiday |
| 23 Jul, 2026 (Thu) | Tisha B'Av | Jewish Holiday |
| 3 Aug, 2026 (Mon) | Summer Bank Holiday | Local Bank Holiday |
| 15 Aug, 2026 (Sat) | Assumption of Mary | Observance, Christian |
| 26 Aug, 2026 (Wed) | Milad un Nabi (Tentative Date) | Muslim |
| 31 Aug, 2026 (Mon) | Summer Bank Holiday | Common Local Holiday |
| 3 Sep, 2026 (Thu) | Janmashtami (Smarta) | Hindu Holiday |
| 4 Sep, 2026 (Fri) | Janmashtami | Hindu Holiday |
| 12 Sep, 2026 (Sat) | Rosh Hashana | Jewish Holiday |
| 21 Sep, 2026 (Mon) | Yom Kippur | Jewish Holiday |
| 23 Sep, 2026 (Wed) | September Equinox | Season |
| 26 Sep, 2026 (Sat) | First day of Sukkot | Jewish Holiday |
| 2 Oct, 2026 (Fri) | Hoshana Rabbah | Jewish Holiday |
| 3 Oct, 2026 (Sat) | Shemini Atzeret | Jewish Holiday |
| 4 Oct, 2026 (Sun) | Feast of St Francis of Assisi | Observance, Christian |
| 4 Oct, 2026 (Sun) | Simchat Torah | Jewish Holiday |
| 25 Oct, 2026 (Sun) | Daylight Saving Time ends | Clock Change/Daylight Saving Time |
| 31 Oct, 2026 (Sat) | Halloween | Observance |
| 1 Nov, 2026 (Sun) | All Saints' Day | Observance, Christian |
| 2 Nov, 2026 (Mon) | All Souls' Day | Observance, Christian |
| 5 Nov, 2026 (Thu) | Guy Fawkes Day | Observance |
| 8 Nov, 2026 (Sun) | Remembrance Sunday | Observance |
| 29 Nov, 2026 (Sun) | First Sunday of Advent | Observance, Christian |
| 30 Nov, 2026 (Mon) | St. Andrew's Day | Local Bank Holiday |
| 5 Dec, 2026 (Sat) | First Day of Hanukkah | Jewish Holiday |
| 8 Dec, 2026 (Tue) | Feast of the Immaculate Conception | Observance, Christian |
| 12 Dec, 2026 (Sat) | Last day of Hanukkah | Jewish Holiday |
| 22 Dec, 2026 (Tue) | December Solstice | Season |
| 24 Dec, 2026 (Thu) | Christmas Eve | Observance, Christian |
| 25 Dec, 2026 (Fri) | Christmas Day | Bank Holiday |
| 26 Dec, 2026 (Sat) | Boxing Day | Bank Holiday |
| 28 Dec, 2026 (Mon) | Substitute Bank Holiday for Boxing Day | Bank Holiday |
| 31 Dec, 2026 (Thu) | New Year's Eve | Observance |
