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Amavasya 2027

Every Amāvasyā of 2027: when the tithi begins and ends, the fast day, and the day for the śrāddha.

13 Amavasyas in Delhi

The next is on Thursday, 7 January. For three of them the śrāddha falls on a different day from the fast.

Every Amavasya of 2027 in Delhi

Delhi time. Each carries both month names.
MonthAmavasyaFast dayŚrāddha
January Margashirsha (amanta) / Pausha (purnimanta), Amavasya 6 Jan, 23:14 – 8 Jan, 01:54 Thu 7 Jan Thu 7 Jan
February Pausha (amanta) / Magha (purnimanta), Amavasya 5 Feb, 19:05 – 6 Feb, 21:26 Surya Grahan on this Amavasya, not seen here Mauni · Śani Sat 6 Feb Sat 6 Feb
March Magha (amanta) / Phalguna (purnimanta), Amavasya 7 Mar, 13:46 – 8 Mar, 14:59 Māgha · Somavatī Mon 8 Mar Mon 8 Mar
April Phalguna (amanta) / Chaitra (purnimanta), Amavasya 6 Apr, 05:40 – 7 Apr, 05:21 Bhauma Tue 6 Apr Tue 6 Apr
May Chaitra (amanta) / Vaishakha (purnimanta), Amavasya 5 May, 18:17 – 6 May, 16:28 Thu 6 May Thu 6 May
June Vaishakha (amanta) / Jyeshtha (purnimanta), Amavasya 4 Jun, 04:05 – 5 Jun, 01:10 Fri 4 Jun Fri 4 Jun
July Jyeshtha (amanta) / Ashadha (purnimanta), Amavasya 3 Jul, 12:06 – 4 Jul, 08:32 Sun 4 Jul Sat 3 Jul the day before
August Ashadha (amanta) / Shravana (purnimanta), Amavasya 1 Aug, 19:20 – 2 Aug, 15:35 Surya Grahan on this Amavasya, seen here Somavatī Mon 2 Aug Mon 2 Aug
Shravana (amanta) / Bhadrapada (purnimanta), Amavasya 31 Aug, 02:41 – 23:11 Bhauma Tue 31 Aug Tue 31 Aug
September Bhadrapada (amanta) / Ashwin (purnimanta), Amavasya 29 Sep, 10:55 – 30 Sep, 08:06 Mahālaya Thu 30 Sep Wed 29 Sep the day before
October Ashwin (amanta) / Kartika (purnimanta), Amavasya 28 Oct, 20:48 – 29 Oct, 19:06 Fri 29 Oct Fri 29 Oct
November Kartika (amanta) / Margashirsha (purnimanta), Amavasya 27 Nov, 09:07 – 28 Nov, 08:54 Sun 28 Nov Sat 27 Nov the day before
December Margashirsha (amanta) / Pausha (purnimanta), Amavasya 27 Dec, 00:23 – 28 Dec, 01:42 Somavatī Mon 27 Dec Mon 27 Dec

When the fast and the shraddha fall apart

The fast takes the later day, joined to the next Pratipadā. The śrāddha takes the day whose afternoon the Amāvasyā touches, so when it covers the first afternoon and ends before the second, the śrāddha falls a day earlier. Nirṇaya-sindhu pp. 73, 81⁠–⁠87

Sunday, 4 July

Jyeshtha (amanta) / Ashadha (purnimanta), Amavasya

Amavasya from Sat 3 Jul, 12:06 to Sun 4 Jul, 08:32, Delhi time.

Fast day, Sunday, 4 July: the fast takes the later of Saturday and Sunday, the day joined to the next Pratipadā, and never the day joined to Chaturdaśī. Nirṇaya-sindhu p. 73

Śrāddha, Saturday, 3 July: the Amāvasyā covers all of Saturday’s aparāhṇa, the last third of the daytime, and none of Sunday’s. Nirṇaya-sindhu pp. 81, 87

Amavasya in 2027, month by month

January 7 February 6 Mauni, Śani March 8 Māgha, Somavatī April 6 Bhauma May 6 June 4 July 4 August 2 Somavatī · 31 Bhauma September 30 Mahālaya October 29 November 28 December 27 Somavatī

Questions

Rules from the Nirṇaya-sindhu, with the page for each.

When are the Amavasyas in 2027?

In Delhi, 13 Amavasyas fall in 2027. Three times the śrāddha falls on a different day from the fast: 3 July, 29 September, 27 November. The table lists every date.

What is Amavasya?

The new moon: the thirtieth tithi, which ends the dark half (Krishna) of the lunar month. A tithi is the time the Moon takes to gain 12° on the Sun. In the amānta reckoning the Amāvasyā is the last day of the month. Surya Siddhanta 2.64, 2.66

Which day is the Amavasya fast?

The fast is kept on the later of the two days, the one joined to the next Pratipadā, and never on the day joined to Chaturdaśī. The Sāvitrī vrata is the exception and keeps the earlier day. Nirṇaya-sindhu p. 73

When is the Amavasya shraddha?

On the day whose aparāhṇa, the last third of the daytime, the Amāvasyā touches. When it touches both afternoons, the day whose kutapa, the 8th of the day’s 15 muhūrtas, it covers. Hemādri makes the kutapa the first test for households without sacred fires, and Hārīta’s rule by Vedic branch decides equal coverage. Nirṇaya-sindhu pp. 81⁠–⁠87

What are Somvati and Bhauma Amavasya?

An Amāvasyā on a Monday (Somavatī) “gives fruit like the equinox”, and on a Tuesday (Bhauma) bathing in the Gaṅgā gives the fruit of a thousand cows. The weekday here is that of the fast day. Nirṇaya-sindhu p. 73 (Śātātapa, Vyāsa)

Why is the date different in my city?

Each date is worked out for the city’s own sunrise and afternoon. The Amāvasyā begins and ends at the same moment everywhere, but which sunrise and afternoon it reaches depends on the city, so cities far apart can keep different days.

How the days are found

Read the methodology
Fast day
The fast is on the later day, joined to the next Pratipadā, and never on the day joined to Chaturdaśī. The Sāvitrī vrata keeps the earlier day.
Śrāddha
The day whose aparāhṇa, the last third of the daytime, the Amāvasyā touches. When it touches both afternoons, or neither, the kutapa decides: the 8th of the day’s 15 muhūrtas.
Sunrise and sunset
At the centre of the Sun’s disc, with refraction, for the chosen city. Every date is that city’s own.
Sources
Nirṇaya-sindhu, 1898, pp. 73, 81⁠–⁠87, 215, 324, 341, with Hemādri’s and Hārīta’s variants for the śrāddha.

Sunrise and sunset at the centre of the Sun’s disc, with refraction · Lahiri ayanamsa for month names · each city’s own time · Swiss Ephemeris · Method