Panchang in Ipameri, Goiás, Brazil Tue 15 Oct 2058

Shiva’s worship centres on nishitha, the midnight muhurta. Chaturdashi runs from 08:34 on Tue 15 Oct to 09:34 on Wed 16 Oct, so only Tuesday night’s nishitha (23:35–00:21 Wed) falls within it. No text giving Masik Shivratri’s time was found; nishitha is Tithika’s convention.

Masik Shivratri: every date in Ipameri

The Moon gains on the Sun about 12° a day. Each 12° of lead is one tithi: 324°–336° is the 28th, Krishna Trayodashi. A day takes the tithi in force at its sunrise, 05:43 here. Dwadashi ended at 07:04 Mon, before it. Trayodashi ends at 08:34, when the lead reaches 336°. The lead passed 180° at the full moon of 1 Oct, so the Moon is waning: Krishna paksha.

The night of Mon 14 Oct ran from sunset 18:13 Mon to sunrise 05:43, 11 h 30 m. Cut into 15 muhurtas of 46 m, its 14th is Brahma Muhurta, the one before the last.

Daylight here, 05:43 to 18:13, splits into 8 choghadiyas of 1 h 33 m. Their names follow a fixed order that starts from the weekday, and each name is counted good, neutral or bad.

The night here, 18:13 to 05:43 Wed, splits into 8 choghadiyas of 1 h 26 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 2 at 150°. It leaves at 20:43, for Hasta.

Add the Sun's and the Moon's places among the stars: 177.6° + 152.2° = 329.8°. The sum, cut into 27 parts of 13°20′, gives the yoga: 320°00′–333°20′ is the 25th, Brahma. It ends at 12:02, then Indra.

A karana is half a tithi: 6° of the Moon's lead, so the first half of Trayodashi is Garaja and the second Vanija. Garaja ended at 19:53 Mon, when the lead reached 330°; Vanija runs until 08:34.

A Hindu day runs from one sunrise to the next, not midnight to midnight. This one runs 05:43 to 05:43 Wed, so the hours after midnight still belong to Mangalawara.

A month normally holds one sankranti, the Sun's entry into a new rashi. From 17 Sep 19:18 Tue to 17 Oct 10:05 Thu the Sun stayed in Kanya, entering Tula at 17 Oct 16:18 Thu, after the new moon. A month with no sankranti is Adhika Ashwina, before Ashwina 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 Kanya, begins Ashwina (Adhik). Until then this Krishna paksha reads Ashwina (Adhik) here, and Ashwina (Adhik) in the amanta count.

A samvat year begins with Chaitra, the month whose new moon finds the Sun in Meena: 24 Mar 2058, 06:50 Sun. Since then the Sun has moved 198.3° round the stars. Vikram Samvat numbers that year 2115; Shaka Samvat numbers it 1980.