Panchang in Sevan, Gegharkunik, Armenia Sun 18 May 1902

Smartas test Ekadashi at sunrise. It holds both sunrises, 04:40 on Sat 17 May and 04:39 on Sun 18 May. Ekadashi (04:30 Sat 17 May to 05:33 Sun 18 May) and Dwadashi (05:33 Sun 18 May to 07:07 Mon 19 May) are both longer than their day; when both grow, Smartas take the later day: Sun 18 May. Vaishnavas test arunodaya: on Sat 17 May Dashami lasts until 04:30, inside it (03:04–04:40); on Sun 18 May Ekadashi holds all of it.

Mohini Ekadashi: every date in Sevan

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, 04:41 here. Dashami ended at 04:32 Sat, before it. Ekadashi ends at 05:35, when the lead reaches 132°. The lead passed 0° at the new moon of 8 May, so the Moon is waxing: Shukla paksha.

A day takes the tithi in force at its sunrise. Ekadashi began at 04:32 Sat, before sunrise at 04:42 Sat, and ends at 05:35, after the next sunrise at 04:41. Both days read Ekadashi: it is a vriddhi tithi here.

The night of Sat 17 May ran from sunset 19:10 Sat to sunrise 04:41, 9 h 31 m. Cut into 15 muhurtas of 38 m, its 14th is Brahma Muhurta, the one before the last.

Daylight here, 04:41 to 19:11, splits into 8 choghadiyas of 1 h 48 m. Their names follow a fixed order that starts from the weekday, and each name is counted good, neutral or bad.

The night here, 19:11 to 04:40 Mon, splits into 8 choghadiyas of 1 h 11 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′. Hasta spans 160°00′–173°20′; the Moon entered its pada 2 at 163°20′. It leaves at 20:28, for Chitra.

Add the Sun's and the Moon's places among the stars: 33.7° + 165.3° = 199°. The sum, cut into 27 parts of 13°20′, gives the yoga: 186°40′–200°00′ is the 15th, Vajra. It ends at 06:35, then Siddhi.

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 16:59 Sat, when the lead reached 126°; Vishti runs until 05:35.

A Hindu day runs from one sunrise to the next, not midnight to midnight. This one runs 04:41 to 04:40 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: Mesha gives Vaishakha. The Sun enters Vrishabha on 14 May, inside the month. The next new moon, 6 Jun, finds it in Vrishabha and begins Jyeshtha.

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 8 May, with the Sun in Mesha, began Vaishakha. This Shukla paksha reads Vaishakha in both counts.

A samvat year begins with Chaitra, the month whose new moon finds the Sun in Meena: 8 Apr 1902, 16:49 Tue. Since then the Sun has moved 38.4° round the stars. Vikram Samvat numbers that year 1959; Shaka Samvat numbers it 1824.