1 Jan	New Year's Day (ENG, NIR, WAL)
1 Jan	New Year's Day (Scotland)
5 Jan	Twelfth Night
6 Jan	Epiphany
7 Jan	Orthodox Christmas Day
14 Jan	Orthodox New Year
19 Jan	Tu B'Shevat (Arbor Day)
3 Feb	Lunar New Year
14 Feb	Valentine's Day
1 Mar	St. David's Day (Wales)
2 Mar	Carnival / Shrove Tuesday / Pancake Day
3 Mar	Carnival / Ash Wednesday
17 Mar	St Patrick's Day (Northern Ireland)
19 Mar	Purim
28 Mar	Mother's Day
1 Apr	Isra and Mi'raj
11 Apr	Palm Sunday
15 Apr	Maundy Thursday
16 Apr	Good Friday
17 Apr	Holy Saturday
18 Apr	First day of Passover
18 Apr	Easter Sunday
19 Apr	Easter Monday (ENG, NIR, WAL)
23 Apr	Orthodox Good Friday
23 Apr	St. George's Day
23 Apr	Shakespeare Day
24 Apr	Orthodox Holy Saturday
25 Apr	Last day of Passover
25 Apr	Orthodox Easter
26 Apr	Orthodox Easter Monday
28 Apr	Yom HaShoah
4 May	Ramadan Start
6 May	Yom HaAtzmaut
21 May	Lag B'Omer
27 May	Ascension Day
29 May	Laylatul Qadr (Night of Power)
3 Jun	Eid ul Fitr

6 Jun	Pentecost
7 Jun	Whit Monday
7 Jun	Shavuot
7 Jun	Spring Bank Holiday
13 Jun	Trinity Sunday
17 Jun	Corpus Christi
20 Jun	Father's Day
12 Jul	Battle of the Boyne (Northern Ireland)
2 Aug	Summer Bank Holiday
8 Aug	Tisha B'Av
10 Aug	Eid al-Adha
15 Aug	Assumption of Mary
30 Aug	Muharram/Islamic New Year
8 Sep	Ashura
28 Sep	Rosh Hashana
4 Oct	Feast of St Francis of Assisi
7 Oct	Yom Kippur
12 Oct	First day of Sukkot
18 Oct	Hoshana Rabbah
19 Oct	Shemini Atzeret
20 Oct	Simchat Torah
31 Oct	Halloween
1 Nov	All Saints' Day
2 Nov	All Souls' Day
5 Nov	Guy Fawkes Day
8 Nov	Milad un Nabi (Mawlid)
14 Nov	Remembrance Sunday
28 Nov	First Sunday of Advent
8 Dec	Feast of the Immaculate Conception
20 Dec	First Day of Hanukkah
24 Dec	Christmas Eve
25 Dec	Christmas Day
26 Dec	Boxing Day (ENG, NIR, WAL)
27 Dec	Last day of Hanukkah
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.