Hindu time measurement:
• a Lipta (लिप्ता) is approximately 0.4 seconds
• a Vighati (विघटि) is 60 Liptas, or approximately 24 seconds
• a Ghadika (घटि) is 60 Vighatis, or approximately 24 minutes
• a Muhurta is equal to 2 Ghadikas, or approximately 48 minutes
• a Nakshatra ahoratram (नक्षत्र अहोरत्रम्) or sidereal day is exactly equal to 30 Muhurtas (Note: A day is considered to begin and end at sunrise, not midnight.)
An alternate system described in the Vishnu Purana Time measurement section of the Vishnu Purana Book I Chapter III is as follows:
100 Truti = 1 Tatpara
30 Tatpara = 1 Nimesha
15 Nimeshas = 1 Káshthá
30 Káshthás = 1 Kalá
30 Kalás = 1 Kṣaṇa
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