Panchang in Myshkin, Yaroslavl Oblast, Russia Fri 28 Dec 2018

The Moon gains on the Sun about 12° a day. Each 12° of lead is one tithi: 252°–264° is the 22nd, Krishna Saptami. A day takes the tithi in force at its sunrise, 09:10 here. Shashthi ended at 03:12, before it. Saptami ends at 01:19 Sat, when the lead reaches 264°. The lead passed 180° at the full moon of 22 Dec, so the Moon is waning: Krishna paksha.

The night of Thu 27 Dec ran from sunset 15:43 Thu to sunrise 09:10, 17 h 27 m. Cut into 15 muhurtas of 1 h 9 m, its 14th is Brahma Muhurta, the one before the last.

Daylight here, 09:10 to 15:44, splits into 8 choghadiyas of 49 m. Their names follow a fixed order that starts from the weekday, and each name is counted good, neutral or bad.

The night here, 15:44 to 09:10 Sat, splits into 8 choghadiyas of 2 h 10 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′. Uttara Phalguni spans 146°40′–160°00′; the Moon entered its pada 1 at 146°40′. It leaves at 06:30 Sat, for Hasta.

Add the Sun's and the Moon's places among the stars: 252.3° + 147.6° = 399.9°, one full turn and 39.9°. Past the turn, cut into 27 parts of 13°20′, it gives the yoga: 26°40′–40°00′ is the 3rd, Ayushmana. It ends at 09:19, then Saubhagya.

A karana is half a tithi: 6° of the Moon's lead, so the first half of Saptami is Vishti and the second Bava. Vishti runs until 14:12, when the lead reaches 258°; Bava until 01:19 Sat.

A Hindu day runs from one sunrise to the next, not midnight to midnight. This one runs 09:10 to 09:10 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: Vrishchika gives Margashirsha. The Sun enters Dhanu on 16 Dec, inside the month. The next new moon, 6 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 6 Jan, with the Sun in Dhanu, begins Pausha. Until then this Krishna paksha reads Pausha here, and Margashirsha in the amanta count.

A samvat year begins with Chaitra, the month whose new moon finds the Sun in Meena: 17 Mar 2018, 16:11 Sat. Since then the Sun has moved 279.5° round the stars. Vikram Samvat numbers that year 2075; Shaka Samvat numbers it 1940.