5 Jan	Twelfth Night
6 Jan	Epiphany
6 Jan	Orthodox Christmas Day
13 Jan	Orthodox New Year
26 Jan	Lunar New Year
10 Feb	Tu B'Shevat (Arbor Day)
14 Feb	Valentine's Day
27 Feb	Carnival / Shrove Tuesday / Pancake Day
28 Feb	Carnival / Ash Wednesday
1 Mar	St. David's Day (Wales)
7 Mar	Eid al-Adha
11 Mar	Purim
25 Mar	Mother's Day
27 Mar	Muharram/Islamic New Year
5 Apr	Ashura
8 Apr	Palm Sunday
10 Apr	First day of Passover
12 Apr	Maundy Thursday
13 Apr	Orthodox Good Friday
13 Apr	Good Friday
14 Apr	Holy Saturday
14 Apr	Orthodox Holy Saturday
15 Apr	Orthodox Easter
15 Apr	Easter Sunday
16 Apr	Orthodox Easter Monday
17 Apr	Last day of Passover
23 Apr	Yom HaShoah
23 Apr	St. George's Day
23 Apr	Shakespeare Day
13 May	Lag B'Omer
24 May	Ascension Day

30 May	Shavuot
3 Jun	Pentecost
4 Jun	Whit Monday
5 Jun	Milad un Nabi (Mawlid)
10 Jun	Trinity Sunday
14 Jun	Corpus Christi
31 Jul	Tisha B'Av
15 Aug	Assumption of Mary
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
16 Oct	Isra and Mi'raj
31 Oct	Halloween
1 Nov	All Saints' Day
2 Nov	All Souls' Day
5 Nov	Guy Fawkes Day
18 Nov	Ramadan Start
2 Dec	First Sunday of Advent
8 Dec	Feast of the Immaculate Conception
12 Dec	First Day of Hanukkah
13 Dec	Laylatul Qadr (Night of Power)
18 Dec	Eid ul Fitr
19 Dec	Last day of Hanukkah
24 Dec	Christmas Eve
25 Dec	Christmas Day
26 Dec	Boxing Day (England, Wales)
31 Dec	New Year's Eve

Add more holidays/observances: Clock Change Dates | Seasons

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