Panchang in Ipameri, Goiás, Brazil Fri 20 Jan 1905

Purnima follows the tithi at sunrise. Purnima begins at 06:21 on Fri 20 Jan, after that sunrise, and ends at 04:07 on Sat 21 Jan, before the next: it holds no sunrise. A tithi that holds no sunrise is kept on the day it is current: Fri 20 Jan. 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: 156°–168° is the 14th, Shukla Chaturdashi. A day takes the tithi in force at its sunrise, 05:53 here. Trayodashi ended at 08:13 Thu, before it. Chaturdashi ends at 06:28, when the lead reaches 168°. The lead passed 0° at the new moon of 5 Jan, so the Moon is waxing: Shukla paksha.

A day takes the tithi in force at its sunrise. Purnima began at 06:28 and ended at 04:13 Sat, between the sunrises of 05:53 and 05:53 Sat. Friday reads Chaturdashi and Saturday reads Pratipada: Purnima is a kshaya tithi here.

The night of Thu 19 Jan ran from sunset 18:54 Thu to sunrise 05:53, 10 h 58 m. Cut into 15 muhurtas of 43 m, its 14th is Brahma Muhurta, the one before the last.

Daylight here, 05:53 to 18:54, splits into 8 choghadiyas of 1 h 37 m. Their names follow a fixed order that starts from the weekday, and each name is counted good, neutral or bad.

The night here, 18:54 to 05:53 Sat, splits into 8 choghadiyas of 1 h 22 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′. Punarvasu spans 80°00′–93°20′; the Moon entered its pada 2 at 83°20′. It leaves at 20:17, for Pushya.

Add the Sun's and the Moon's places among the stars: 277.1° + 84.8° = 361.9°, one full turn and 1.9°. Past the turn, cut into 27 parts of 13°20′, it gives the yoga: 0°00′–13°20′ is the 1st, Vishkambha. It ends at 23:49, then Priti.

A karana is half a tithi: 6° of the Moon's lead, so the first half of Chaturdashi is Garaja and the second Vanija. Garaja ended at 19:24 Thu, when the lead reached 162°; Vanija runs until 06:28.

A Hindu day runs from one sunrise to the next, not midnight to midnight. This one runs 05:53 to 05:53 Sat, so the hours after midnight still belong to Shukrawara.

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: Dhanu gives Pausha. The Sun enters Makara on 13 Jan, inside the month. The next new moon, 4 Feb, finds it in Makara and begins Magha.

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 5 Jan, with the Sun in Dhanu, began Pausha. This Shukla paksha reads Pausha in both counts.

A samvat year begins with Chaitra, the month whose new moon finds the Sun in Meena: 17 Mar 1904, 02:39 Thu. Since then the Sun has moved 303.4° round the stars. Vikram Samvat numbers that year 1961; Shaka Samvat numbers it 1826.