| a lunisolar calendar that governs all Hindu and most Indian festivals, known from about 1000 b.c. and subsequently modified during the 4th and 6th centuries a.d. |
| Hindu calendar n. The lunisolar calendar governing Hindu religious life and almost all Indian festivals and dating in its classic form from the fourth century A.D. The solar year is divided into 12 lunar months in accordance with the successive entrances of the sun into the signs of the zodiac, the months varying in length from 29 to 32 days. |