The Lunar Calendar and the Full Moon Lantern Festival

 

Although the moon takes 27.3 days to orbit the earth it takes 29.5 days to complete its phases (because the earth is moving too). This makes it a bit tricky to nail down exactly on which date a full moon occurs, even in the lunar calendar. To cope with this some lunar months are 29 days and some are 30 days. In the wash-up the full moon usually occurs on the 15th or 16th day of each lunar month but not always.

 

For the Hoi An Full Moon Lantern Festival the organizers have taken all the complications away and the celebration occurs on the 14th day of the lunar calendar, regardless of when the full moon actually occurs.

 

Thus, in the Gregorian Calendar, the festival occurs on the following dates:

FULL MOON LANTERN FESTIVAL DATES

14TH DAY OF LUNAR CALENDAR

1 December, 2017

31 December , 2017

30 January, 2018

1March,  2018

30March, 2018

29 April, 2018

28 May, 2018

27 June 2018

26 July, 2018

24 August, 2018

23 September, 2018

22 October, 2018

20  November, 2018

20 December, 2018

lanterns and lights in hoi an full moon lantern festival hoi an

For the those who would also like to know when the full moon actually falls see the following table.

Get married in Hoi An. Lanterns

REAL FULL MOON DATES FOR 2018

Gregorian Lunar
January 2

January 31

March 2

March 31

April 30

May 29

Jun 28

July 28

August 26

September 25

October 24

November 22

December 23

16 (11th month)

15 (12th month)

15 (1st month)

15 (2nd month)

15 (3rd month)

15 (4th month)

15 (5th month)

16 (6th month)

16 (7th month)

16 (8th month)

16 (9th month)

16 (10th month)

17 (11th month)

To read about the actual festival, read our article about Full Moon Lantern Festival.

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