1 Jan	New Year's Day (Scotland)
1 Jan	New Year's Day (ENG, NIR, WAL)
5 Jan	Twelfth Night
6 Jan	Epiphany
7 Jan	Orthodox Christmas Day
14 Jan	Orthodox New Year
27 Jan	Lunar New Year
6 Feb	Eid al-Adha
10 Feb	Tu B'Shevat (Arbor Day)
14 Feb	Valentine's Day
23 Feb	Carnival / Shrove Tuesday / Pancake Day
24 Feb	Carnival / Ash Wednesday
27 Feb	Muharram/Islamic New Year
1 Mar	St. David's Day (Wales)
8 Mar	Ashura
11 Mar	Purim
17 Mar	St Patrick's Day (Northern Ireland)
21 Mar	Mother's Day
4 Apr	Palm Sunday
8 Apr	Maundy Thursday
9 Apr	Good Friday
10 Apr	Holy Saturday
10 Apr	First day of Passover
11 Apr	Easter Sunday
12 Apr	Easter Monday (ENG, NIR, WAL)
16 Apr	Orthodox Good Friday
17 Apr	Last day of Passover
17 Apr	Orthodox Holy Saturday
18 Apr	Orthodox Easter
19 Apr	Orthodox Easter Monday
21 Apr	Yom HaShoah
23 Apr	St. George's Day
23 Apr	Shakespeare Day
29 Apr	Yom HaAtzmaut
8 May	Milad un Nabi (Mawlid)
13 May	Lag B'Omer
20 May	Ascension Day
30 May	Pentecost

30 May	Shavuot
31 May	Whit Monday
31 May	Spring Bank Holiday
6 Jun	Trinity Sunday
10 Jun	Corpus Christi
12 Jun	Queen Elizabeth II's Birthday
20 Jun	Father's Day
12 Jul	Battle of the Boyne (Northern Ireland)
1 Aug	Tisha B'Av
2 Aug	Summer Bank Holiday (Scotland)
15 Aug	Assumption of Mary
30 Aug	Summer Bank Holiday (ENG, NIR, WAL)
18 Sep	Isra and Mi'raj
20 Sep	Rosh Hashana
29 Sep	Yom Kippur
4 Oct	Feast of St Francis of Assisi
4 Oct	First day of Sukkot
10 Oct	Hoshana Rabbah
11 Oct	Shemini Atzeret
12 Oct	Simchat Torah
21 Oct	Ramadan Start
31 Oct	Halloween
1 Nov	All Saints' Day
2 Nov	All Souls' Day
5 Nov	Guy Fawkes Day
14 Nov	Remembrance Sunday
15 Nov	Laylatul Qadr (Night of Power)
20 Nov	Eid ul Fitr
28 Nov	First Sunday of Advent
8 Dec	Feast of the Immaculate Conception
13 Dec	First Day of Hanukkah
20 Dec	Last day of Hanukkah
24 Dec	Christmas Eve
25 Dec	Christmas Day
26 Dec	Boxing Day (ENG, NIR, WAL)
27 Dec	Bank Holiday
28 Dec	Bank Holiday
31 Dec	New Year's Eve

Add more holidays/observances: Clock Change Dates | Seasons

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