Panchang in Ipameri, Goiás, Brazil Mon 19 Dec 1988

Gita Jayanti follows the tithi at sunrise. Ekadashi runs from 10:46 on Sun 18 Dec to 08:52 on Mon 19 Dec, so it holds sunrise only on Mon 19 Dec, at 06:34. No text giving Gita Jayanti’s time was found; sunrise is Tithika’s convention.

Gita Jayanti: every date in Ipameri

Smartas test Ekadashi at sunrise: it holds sunrise on Mon 19 Dec only, at 06:34: Mon 19 Dec. Vaishnavas test arunodaya: Dashami ended at 10:46 Sun, before it (04:58–06:34).

Mokshada Ekadashi: every date in Ipameri

The Moon gains on the Sun about 12° a day. Each 12° of lead is one tithi: 120°–132° is the 11th, Shukla Ekadashi. A day takes the tithi in force at its sunrise, 06:34 here. Dashami ended at 10:46 Sun, before it. Ekadashi ends at 08:52, when the lead reaches 132°. The lead passed 0° at the new moon of 9 Dec, so the Moon is waxing: Shukla paksha.

The night of Sun 18 Dec ran from sunset 19:45 Sun to sunrise 06:34, 10 h 49 m. Cut into 15 muhurtas of 43 m, its 14th is Brahma Muhurta, the one before the last.

Daylight here, 06:34 to 19:45, splits into 8 choghadiyas of 1 h 38 m. Their names follow a fixed order that starts from the weekday, and each name is counted good, neutral or bad.

The night here, 19:45 to 06:34 Tue, splits into 8 choghadiyas of 1 h 21 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′. Bharani spans 13°20′–26°40′; the Moon entered its pada 1 at 13°20′. It leaves at 03:04 Tue, for Krittika.

Add the Sun's and the Moon's places among the stars: 244° + 14.7° = 258.7°. The sum, cut into 27 parts of 13°20′, gives the yoga: 253°20′–266°40′ is the 20th, Shiva. It ends at 19:19, then Siddha.

A karana is half a tithi: 6° of the Moon's lead, so the first half of Ekadashi is Vanija and the second Vishti. Vanija ended at 21:49 Sun, when the lead reached 126°; Vishti runs until 08:52.

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

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: Vrishchika gives Margashirsha. The Sun enters Dhanu on 15 Dec, inside the month. The next new moon, 7 Jan, finds it in Dhanu and begins Pausha.

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 9 Dec, with the Sun in Vrishchika, began Margashirsha. This Shukla paksha reads Margashirsha in both counts.

A samvat year begins with Chaitra, the month whose new moon finds the Sun in Meena: 17 Mar 1988, 23:02 Thu. Since then the Sun has moved 270° round the stars. Vikram Samvat numbers that year 2045; Shaka Samvat numbers it 1910.