There are various divisions of time, such as Kashtha, Kala, Muhurta, day, night, Lava, inonth, fortnight, the six seasons, Kalpa, year.
काष्ठाः कला मुहूर्ताश्च दिवा रात्रिस्तथा लवाः। मासाः पक्षाः षड् ऋतवः कल्प: संवत्सरास्तथा॥