1 Jan	New Year's Day (England, Wales)
1 Jan	New Year's Day (Scotland)
5 Jan	Twelfth Night
6 Jan	Epiphany
6 Jan	Laylatul Qadr (Night of Power)
7 Jan	Orthodox Christmas Day
11 Jan	Eid ul Fitr
14 Jan	Orthodox New Year
23 Jan	Tu B'Shevat (Arbor Day)
8 Feb	Lunar New Year
11 Feb	Carnival / Shrove Tuesday / Pancake Day
12 Feb	Carnival / Ash Wednesday
14 Feb	Valentine's Day
1 Mar	St. David's Day (Wales)
9 Mar	Mother's Day
20 Mar	Eid al-Adha
23 Mar	Palm Sunday
23 Mar	Purim
27 Mar	Maundy Thursday
28 Mar	Good Friday
29 Mar	Holy Saturday
30 Mar	Easter Sunday
31 Mar	Easter Monday (ENG, NIR, WAL)
10 Apr	Muharram/Islamic New Year
19 Apr	Ashura
22 Apr	First day of Passover
23 Apr	St. George's Day
23 Apr	Shakespeare Day
25 Apr	Orthodox Good Friday
26 Apr	Orthodox Holy Saturday
27 Apr	Orthodox Easter
28 Apr	Orthodox Easter Monday
29 Apr	Last day of Passover
5 May	Yom HaShoah

8 May	Ascension Day
18 May	Pentecost
19 May	Whit Monday
19 May	Spring Bank Holiday
25 May	Trinity Sunday
25 May	Lag B'Omer
29 May	Corpus Christi
11 Jun	Shavuot
19 Jun	Milad un Nabi (Mawlid)
4 Aug	Summer Bank Holiday
12 Aug	Tisha B'Av
15 Aug	Assumption of Mary
2 Oct	Rosh Hashana
4 Oct	Feast of St Francis of Assisi
11 Oct	Yom Kippur
16 Oct	First day of Sukkot
22 Oct	Hoshana Rabbah
23 Oct	Shemini Atzeret
24 Oct	Simchat Torah
30 Oct	Isra and Mi'raj
31 Oct	Halloween
1 Nov	All Saints' Day
2 Nov	All Souls' Day
5 Nov	Guy Fawkes Day
30 Nov	First Sunday of Advent
2 Dec	Ramadan Start
8 Dec	Feast of the Immaculate Conception
24 Dec	Christmas Eve
25 Dec	First Day of Hanukkah
25 Dec	Christmas Day
26 Dec	Boxing Day (England, Wales)
27 Dec	Laylatul Qadr (Night of Power)
31 Dec	New Year's Eve

Add more holidays/observances: Clock Change Dates | Seasons

	New Moon.		1st Quarter.
	Full Moon.		3rd Quarter.