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

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

Add more holidays/observances: Clock Change Dates | Seasons

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