The calendar mapped the Gregorian months (January–December 1990) to the Hindu lunar months. For example:
Here is a breakdown of the key elements found on the January 1990 page of a Kalnirnay. This helps illustrate how to read the grid.
Month: January (Pausha - Magha) Lunar Months:
Key Dates & Festivals (January 1990):
For each day of 1990, the calendar provided: