Panchang in Ipameri, Goiás, Brazil Sun 20 Apr 1924

The Moon gains on the Sun about 12° a day. Each 12° of lead is one tithi: 180°–192° is the 16th, Krishna Pratipada. A day takes the tithi in force at its sunrise, 06:23 here. Purnima ended at 11:10 Sat, before it. Pratipada ends at 07:36, when the lead reaches 192°. The lead passed 180° at the full moon of 19 Apr, so the Moon is waning: Krishna paksha.

A day takes the tithi in force at its sunrise. Dwitiya began at 07:36 and ended at 03:57 Mon, between the sunrises of 06:23 and 06:23 Mon. Sunday reads Pratipada and Monday reads Tritiya: Dwitiya is a kshaya tithi here.

The night of Sat 19 Apr ran from sunset 18:00 Sat to sunrise 06:23, 12 h 23 m. Cut into 15 muhurtas of 49 m, its 14th is Brahma Muhurta, the one before the last.

Daylight here, 06:23 to 18:00, splits into 8 choghadiyas of 1 h 27 m. Their names follow a fixed order that starts from the weekday, and each name is counted good, neutral or bad.

The night here, 18:00 to 06:23 Mon, splits into 8 choghadiyas of 1 h 32 m. Their names follow a fixed order that starts from the weekday, and each name is counted good, neutral or bad.

The fixed stars divide the Moon's path into 27 nakshatras of 13°20′, each in 4 padas of 3°20′. Swati spans 186°40′–200°00′; the Moon entered its pada 4 at 196°40′. It leaves at 08:45, for Vishakha.

Add the Sun's and the Moon's places among the stars: 7.2° + 198.5° = 205.7°. The sum, cut into 27 parts of 13°20′, gives the yoga: 200°00′–213°20′ is the 16th, Siddhi. It ends at 17:43, then Vyatipata.

A karana is half a tithi: 6° of the Moon's lead, so the first half of Pratipada is Balava and the second Kaulava. Balava ended at 21:24 Sat, when the lead reached 186°; Kaulava runs until 07:36.

A Hindu day runs from one sunrise to the next, not midnight to midnight. This one runs 06:23 to 06:23 Mon, so the hours after midnight still belong to Raviwara.

An amanta month runs from new moon to new moon and takes its name from the rashi the Sun is in at the new moon that begins it: Meena gives Chaitra. The Sun enters Mesha on 12 Apr, inside the month. The next new moon, 3 May, finds it in Mesha and begins Vaishakha.

A purnimanta month runs from full moon to full moon, so its waning half comes first. It shares its name with the amanta month that its second half falls in: the new moon of 3 May, with the Sun in Mesha, begins Vaishakha. Until then this Krishna paksha reads Vaishakha here, and Chaitra in the amanta count.

A samvat year begins with Chaitra, the month whose new moon finds the Sun in Meena: 4 Apr 1924, 04:17 Fri. Since then the Sun has moved 15.7° round the stars. Vikram Samvat numbers that year 1981; Shaka Samvat numbers it 1846.