NanakShahi Calendar-Jantri2018 description

NanakShahi Calendar - Sikh Jantri 2018 with list of all Gurpurav's Sangrand, Puranmashi etc.

A solar calendar - based on the time it takes for the earth to rotate around the sun
called Nanakshahi after Guru Nanak (founder of Sikhism) - year one is the year of Guru Nanak's birth (1469 CE)
It is scientifically designed and keeps in precise tune with the sun's position; seasons do not slip from year to year!
It is based on Gurbani - Months taken directly from Guru Granth sahib
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