A Singh from Damdami Taksal presents a detailed account on the Nanakshahi calendar.
Features of the Nanakshahi calendar
1)A solar calendar – based on the time it takes for the earth to rotate around the sun
2) Called Nanakshahi after Guru Nanak (founder of Sikhism) – year one is the year of Guru Nanak’s birth (1469 CE)
3) Scientifically design and keeps in precise tune with the sun’s position; seasons do not slip from year to year!
4) Is based on Gurbani – Months taken directly from Guru Granth sahib
5)Year length is same as Western calendar (365 days 5 hours 48 minutes 45 seconds)
contains 5 months of 31 days followed by 6 months of 30 days; last month is either 30 or 31 in leap years.
leap year every 4 years in which the last month (Phagun) has an extra day
Fixed dates for start of each month when compared to common era calendar