1 Jan	New Year's Day
2 Jan	'New Year's Day' observed
3 Jan	2nd January (substitute day) (Scotland)
5 Jan	Twelfth Night
6 Jan	Epiphany
7 Jan	Orthodox Christmas Day
14 Jan	Orthodox New Year
16 Jan	Tu B'Shevat (Arbor Day)
31 Jan	Lunar New Year
1 Feb	Ramadan Start
14 Feb	Valentine's Day
26 Feb	Laylatul Qadr (Night of Power)
28 Feb	Carnival / Shrove Tuesday / Pancake Day
1 Mar	St. David's Day (Wales)
1 Mar	Carnival / Ash Wednesday
3 Mar	Eid ul Fitr
16 Mar	Purim
17 Mar	St Patrick's Day (Northern Ireland)
26 Mar	Mother's Day
9 Apr	Palm Sunday
13 Apr	Maundy Thursday
14 Apr	Good Friday
15 Apr	Holy Saturday
15 Apr	First day of Passover
16 Apr	Easter Sunday
17 Apr	Easter Monday (ENG, NIR, WAL)
21 Apr	Orthodox Good Friday
22 Apr	Last day of Passover
22 Apr	Orthodox Holy Saturday
23 Apr	Orthodox Easter
23 Apr	St. George's Day
23 Apr	Shakespeare Day
24 Apr	Orthodox Easter Monday
26 Apr	Yom HaShoah
4 May	Yom HaAtzmaut
8 May	Early May Bank Holiday
10 May	Eid al-Adha
18 May	Lag B'Omer

25 May	Ascension Day
29 May	Spring Bank Holiday
31 May	Muharram/Islamic New Year
4 Jun	Pentecost
4 Jun	Shavuot
5 Jun	Whit Monday
9 Jun	Ashura
10 Jun	Queen Elizabeth II's Birthday
11 Jun	Trinity Sunday
15 Jun	Corpus Christi
18 Jun	Father's Day
12 Jul	Battle of the Boyne (Northern Ireland)
6 Aug	Tisha B'Av
7 Aug	Summer Bank Holiday (Scotland)
9 Aug	Milad un Nabi (Mawlid)
15 Aug	Assumption of Mary
28 Aug	Summer Bank Holiday (ENG, NIR, WAL)
25 Sep	Rosh Hashana
4 Oct	Feast of St Francis of Assisi
4 Oct	Yom Kippur
9 Oct	First day of Sukkot
15 Oct	Hoshana Rabbah
16 Oct	Shemini Atzeret
17 Oct	Simchat Torah
31 Oct	Halloween
1 Nov	All Saints' Day
2 Nov	All Souls' Day
5 Nov	Guy Fawkes Day
12 Nov	Remembrance Sunday
3 Dec	First Sunday of Advent
8 Dec	Feast of the Immaculate Conception
18 Dec	First Day of Hanukkah
20 Dec	Isra and Mi'raj
24 Dec	Christmas Eve
25 Dec	Last day of Hanukkah
25 Dec	Christmas Day
26 Dec	Boxing Day
31 Dec	New Year's Eve

Add more holidays/observances: Clock Change Dates | Seasons

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