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Add support for Thai Lunar, Vietnamese, Lao Lunar, Khmer Lunar, Khmer Solar, Balinese Saka, Hindu Calendar (South) calendars


'''Thai Lunar Calendar'''
The Thai lunar calendar, or Tai calendar, is Thailand's version of the lunisolar Buddhist calendar. It is used in the southeast Asian countries of Cambodia, Laos and Burma for calculating lunar-regulated holy days.
It is used for the following non-work holidays in Thailand: Beginning of Vassa and Vesak.

'''Vietnamese Calendar'''
The Vietnamese calendar is a lunisolar calendar that is mostly based on the Chinese calendar. As Vietnam's official calendar is the Gregorian calendar since 1954, the Vietnamese calendar is used mainly to observe lunisolar holidays and commemorations, such as Tết and Mid-Autumn Festival.
It is used for the following holidays in Vietnam: Vietnamese New Year’s Eve (non-work), Tết (non-work) and Mid-Autumn Festival, Hùng Kings' Festival.

'''Lao Lunar Calendar'''
Lao Lunar Calendar is a version of the Buddhist calendar, which is a set of lunisolar calendars. It is used for the following holidays in Laos: Boat Racing Festival (non-work), Pha That Luang Festival (non-work).

'''Khmer Lunar Calendar and Khmer Solar Calendar'''
Khmer traditional calendar, known as Chhankitek, is a lunisolar calendar although the word Chhankitek itself means lunar calendar. While the calendar is based on the movement of the moon, calendar dates are also synchronized with the solar year to keep the seasons from drifting. Since the number of days in a lunar year is shorter than the solar year, the synchronization is accomplished by adding an additional month or day to a particular year.
It is used for the following holidays in Cambodia: Royal Ploughing Ceremony (non-work), Magha Puja (non-work), Vesak (non-work), Pchum Ben Day (non-work), Water Festival (non-work).
'''Khmer Lunar Calendar''' is used for the following holidays in Cambodia: Royal Ploughing Ceremony (non-work), Magha Puja (non-work), Vesak (non-work), Pchum Ben Day (non-work), Water Festival (non-work).
'''Khmer Solar Calendar''' is used for Khmer New Year (non-work) in Cambodia.

'''Balinese saka calendar'''
The Balinese saka calendar is one of two calendars used on the Indonesian island of Bali. Unlike the 210-day pawukon calendar, it is based on the phases of the moon, and is approximately the same length as the Gregorian year.
It is used for Nyepi (non-work) in Indonesia.

'''Hindu Calendar (South)'''
Hindu calendar is a collective name for most of the luni-sidereal calendars and sidereal calendars traditionally used in Hinduism.
It is used for Vesak (non-work) in Indonesia, Dussehra (non-work) in Bangladesh, Diwali (non-work), Mahavir Jayanti (non-work), Dussehra (non-work), Ugadi, Maha Shivaratri (non-work), Rama Navami, Karva Chauth, Guru Nanak Gurpurab (non-work), Vasant Panchami (non-work), Vesak (non-work) in India, Diwali (non-work), Vesak.



Peter Edberg







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