Panchang in Ipameri, Goiás, Brazil Fri 1 Nov 1963

Purnima follows the tithi at sunrise. Purnima runs from 15:44 on Thu 31 Oct to 11:55 on Fri 1 Nov, so it holds sunrise only on Fri 1 Nov, at 06:34. No text giving Purnima’s time was found; sunrise is Tithika’s convention.

Purnima: every date in Ipameri

The Moon gains on the Sun about 12° a day. Each 12° of lead is one tithi: 168°–180° is the 15th, Shukla Purnima. A day takes the tithi in force at its sunrise, 06:34 here. Chaturdashi ended at 15:44 Thu, before it. Purnima ends at 11:55, when the lead reaches 180°. The lead passed 0° at the new moon of 17 Oct, so the Moon is waxing: Shukla paksha.

The night of Thu 31 Oct ran from sunset 19:18 Thu to sunrise 06:34, 11 h 16 m. Cut into 15 muhurtas of 45 m, its 14th is Brahma Muhurta, the one before the last.

Daylight here, 06:34 to 19:18, splits into 8 choghadiyas of 1 h 35 m. Their names follow a fixed order that starts from the weekday, and each name is counted good, neutral or bad.

The night here, 19:18 to 06:33 Sat, splits into 8 choghadiyas of 1 h 24 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′. Ashwini spans 0°00′–13°20′; the Moon entered its pada 4 at 10°. It leaves at 09:11, for Bharani.

Add the Sun's and the Moon's places among the stars: 194.8° + 11.7° = 206.5°. The sum, cut into 27 parts of 13°20′, gives the yoga: 200°00′–213°20′ is the 16th, Siddhi. It ends at 16:36, then Vyatipata.

A karana is half a tithi: 6° of the Moon's lead, so the first half of Purnima is Vishti and the second Bava. Vishti ended at 01:50, when the lead reached 174°; Bava runs until 11:55.

A Hindu day runs from one sunrise to the next, not midnight to midnight. This one runs 06:34 to 06:33 Sat, so the hours after midnight still belong to Shukrawara.

A month normally holds one sankranti, the Sun's entry into a new rashi. From 17 Oct 09:42 Thu to 16 Nov 04:50 Sat the Sun stayed in Tula, entering Vrishchika at 16 Nov 08:39 Sat, after the new moon. A month with no sankranti is Adhika Kartika, before Kartika itself.

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 17 Oct, with the Sun in Tula, began Kartika (Adhik). This Shukla paksha reads Kartika (Adhik) in both counts.

A samvat year begins with Chaitra, the month whose new moon finds the Sun in Meena: 25 Mar 1963, 09:09 Mon. Since then the Sun has moved 214° round the stars. Vikram Samvat numbers that year 2020; Shaka Samvat numbers it 1885.