;Cal. Vietnamese
;since 20 April 1985 corresponding to Chinese Calendar
;Vietnamese does not have special names for each month. Instead, the months are simply numbered


;For a syntax description see PTBSync Help!
;If you find an error please contact: dewaelheyns(a)gmail.com

LANGUAGE=UTF8
IMAGE=Holiday_days.gif
COMMENT=Updated July 13, 2014 \nSome dates (5th & 10th Vietnamese months) can not be calculated mathematically, they are not mentioned \nDates may deviate ±1 day only in case that the moon observation deviates from the moon calculation \nsince 20 April 1985 corresponding to Chinese Calendar


21.1.+1Nm%1804,60 =start năm #-2696,60th Vietnamese yearcyclus (±1 day moon observation) ;Note=2nd new moon after wintersolstice, 1st of the 12-year & the 10-year cycle {xm1}

;12-year cycle, "Ky", has 12 earthy stems represented by the names os 12 names in the zodiac
21.1.%1950,12+1Nm =>Têt Nguyên Đán, Vietnamese New Year năm #-2698, year of Dân (Tiger) (±1 day moon observation)        ;Note=3rd of the 12-year cycle, 2nd new moon after wintersolstice {xm-01} ;English=year of the Tiger
21.1.%1951,12+1Nm =>Têt Nguyên Đán, Vietnamese New Year năm #-2698, year of Mão (Cat) (±1 day moon observation)          ;Note=4th of the 12-year cycle, 2nd new moon after wintersolstice {xm-01} ;English=year of the Cat
21.1.%1952,12+1Nm =>Têt Nguyên Đán, Vietnamese New Year năm #-2698, year of Thin (Dragon) (±1 day moon observation)      ;Note=5th of the 12-year cycle, 2nd new moon after wintersolstice {xm-01} ;English=year of the Dragon
21.1.%1953,12+1Nm =>Têt Nguyên Đán, Vietnamese New Year năm #-2698, year of Ty (Snake) (±1 day moon observation)         ;Note=6th of the 12-year cycle, 2nd new moon after wintersolstice {xm-01} ;English=year of the Snake
21.1.%1954,12+1Nm =>Têt Nguyên Đán, Vietnamese New Year năm #-2698, year of Ngo (Horse) (±1 day moon observation)        ;Note=7th of the 12-year cycle, 2nd new moon after wintersolstice {xm-01} ;English=year of the Horse
21.1.%1955,12+1Nm =>Têt Nguyên Đán, Vietnamese New Year năm #-2698, year of Mūi (Goat) (±1 day moon observation)         ;Note=8th of the 12-year cycle, 2nd new moon after wintersolstice {xm-01} ;English=year of the Goat
21.1.%1956,12+1Nm =>Têt Nguyên Đán, Vietnamese New Year năm #-2698, year of Thân (Monkey) (±1 day moon observation)      ;Note=9th of the 12-year cycle, 2nd new moon after wintersolstice {xm-01} ;English=year of the Monkey
21.1.%1957,12+1Nm =>Têt Nguyên Đán, Vietnamese New Year năm #-2698, year of Dâu (Cock/Chicken) (±1 day moon observation) ;Note=10th of the 12-year cycle, 2nd new moon after wintersolstice {xm-01} ;English=year of the Cock/Chicken
21.1.%1958,12+1Nm =>Têt Nguyên Đán, Vietnamese New Year năm #-2698, year of Tuât (Dog) (±1 day moon observation)         ;Note=11th of the 12-year cycle, 2nd new moon after wintersolstice {xm-01} ;English=year of the Dog
21.1.%1959,12+1Nm =>Têt Nguyên Đán, Vietnamese New Year năm #-2698, year of Hoi (Pig) (±1 day moon observation)          ;Note=12th of the 12-year cycle, 2nd new moon after wintersolstice {xm-01} ;English=year of the Pig
21.1.%1960,12+1Nm =>Têt Nguyên Đán, Vietnamese New Year năm #-2698, year of Tí (Rat) (±1 day moon observation)           ;Note=1st of the 12-year cycle, 2nd new moon after wintersolstice {xm-01} ;English=year of the Rat
21.1.%1961,12+1Nm =>Têt Nguyên Đán, Vietnamese New Year năm #-2698, year of Suu (Buffalo) (±1 day moon observation)      ;Note=2nd of the 12-year cycle, 2nd new moon after wintersolstice {xm-01} ;English=year of the Buffalo

;ten-year cycle, called "Can" is composed of ten heavenly stems
21.1.%1950,10+1Nm =>Têt Nguyên Đán, Vietnamese New Year năm #-2698, year of Canh (metal of all kinds) (±1 day moon observation) ;Note=7th of the 10-year cycle, 2nd new moon after wintersolstice {xm-01} ;English=year of the metal of all kinds
21.1.%1951,10+1Nm =>Têt Nguyên Đán, Vietnamese New Year năm #-2698, year of Tân (wrought metal) (±1 day moon observation)       ;Note=8th of the 10-year cycle, 2nd new moon after wintersolstice {xm-01} ;English=year of the wrought metal
21.1.%1952,10+1Nm =>Têt Nguyên Đán, Vietnamese New Year năm #-2698, year of Nhân (virgin land) (±1 day moon observation)        ;Note=9th of the 10-year cycle, 2nd new moon after wintersolstice {xm-01} ;English=year of the virgin land
21.1.%1953,10+1Nm =>Têt Nguyên Đán, Vietnamese New Year năm #-2698, year of Qúi (cultivated land) (±1 day moon observation)     ;Note=10th of the 10-year cycle, 2nd new moon after wintersolstice {xm-01} ;English=year of the cultivated land
21.1.%1954,10+1Nm =>Têt Nguyên Đán, Vietnamese New Year năm #-2698, year of Giáp (water in nature) (±1 day moon observation)    ;Note=1st of the 10-year cycle, 2nd new moon after wintersolstice {xm-01} ;English=year of the water in nature
21.1.%1955,10+1Nm =>Têt Nguyên Đán, Vietnamese New Year năm #-2698, year of At (water in the home) (±1 day moon observation)    ;Note=2nd of the 10-year cycle, 2nd new moon after wintersolstice {xm-01} ;English=year of the water in the home
21.1.%1956,10+1Nm =>Têt Nguyên Đán, Vietnamese New Year năm #-2698, year of Bính (lighted fire) (±1 day moon observation)       ;Note=3rd of the 10-year cycle, 2nd new moon after wintersolstice {xm-01} ;English=year of the lighted fire
21.1.%1957,10+1Nm =>Têt Nguyên Đán, Vietnamese New Year năm #-2698, year of Dinh (latent fire) (±1 day moon observation)        ;Note=4th of the 10-year cycle, 2nd new moon after wintersolstice {xm-01} ;English=year of the latent fire
21.1.%1958,10+1Nm =>Têt Nguyên Đán, Vietnamese New Year năm #-2698, year of Mâu (wood of all types) (±1 day moon observation)   ;Note=5th of the 10-year cycle, 2nd new moon after wintersolstice {xm-01} ;English=year of the wood of all types
21.1.%1959,10+1Nm =>Têt Nguyên Đán, Vietnamese New Year năm #-2698, year of Ky (wood set to burn) (±1 day moon observation)     ;Note=6th of the 10-year cycle, 2nd new moon after wintersolstice {xm-01} ;English=year of the wood set to burn

21.1.+1Nm =1st day tháng môt năm #-2698 (±1 day moon observation)       ;Note=1st Vietnamese month ;English=1st month
20.2.+1Nm =1st day tháng hai năm #-2698 (±1 day moon observation)       ;Note=2nd Vietnamese month ;English=2nd month
22.3.+1Nm =1st day tháng ba năm #-2698 (±1 day moon observation)        ;Note=3th Vietnamese month ;English=3rd month
21.4.+1Nm =1st day tháng bôn năm #-2698 (±1 day moon observation)       ;Note=4th Vietnamese month ;English=4th month
;                  tháng năm năm #-2698 (±1 day moon observation)       ;Note=5th Vietnamese month ;English=5th month
24.6.+1Nm =1st day tháng sáu năm #-2698 (±1 day moon observation)       ;Note=6th Vietnamese month ;English=6th month
25.7.+1Nm =1st day tháng bay năm #-2698 (±1 day moon observation)       ;Note=7th Vietnamese month ;English=7th month
24.8.+1Nm =1st day tháng tám năm #-2698 (±1 day moon observation)       ;Note=8th Vietnamese month ;English=8th month
23.9.+1Nm =1st day tháng chín năm #-2698 (±1 day moon observation)      ;Note=9th Vietnamese month ;English=9th month
;                  tháng muoi năm #-2698 (±1 day moon observation)      ;Note=10th Vietnamese month ;English=10th month
23.12.-1Nm =1st day tháng muoi môt năm #-2698 (±1 day moon observation) ;Note=11th Vietnamese month ;English=11th month
21.1.-1Nm  =1st day tháng muoi hai năm #-2697 (±1 day moon observation) ;Note=12th Vietnamese month ;English=12th month


;These entries were added by: dewaelheyns(a)gmail.com - http://users.telenet.be/wdew/
;The abbreviations {d} {m} {e} {y} ... are explained on http://users.telenet.be/wdew/Basis%20PTB/BasisEN.htm
;https://en.wikipedia.org/wiki/Vietnamese_calendar
;http://www.vietnam-beauty.com/vietnamese-culture/252-vietnamese-lunar-calendar-.html
;http://www.ortelius.de/kalender/china_en.php
;http://wikitravel.org/en/Vietnamese_phrasebook