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Mahalaya Amavasya 2027

The last day of the Mahālaya fortnight in 2027: the day for the śrāddha and its afternoon, the Amāvasyā fast, and the tithi times, for Delhi and 15 other cities.

Bhadrapada (amanta) / Ashwin (purnimanta), Amavasya

Mahālaya Amāvasyā

Wednesday, 29 September 2027

The śrāddha day in Delhi, in 346 days. The Amāvasyā fast falls on Thursday, 30 September.

Amavasya beginsWed 29 Sep
10:55
Śrāddha, aparāhṇa14:10 –
18:08

The last day of the Mahālaya fortnight, the dark fortnight after the Bhādrapada full moon. Nirṇaya-sindhu p. 215

Mahalaya Amavasya in every year shown

Delhi time
  • 10Oct Saturday, 10 October 2026 Bhadrapada (amanta) / Ashwin (purnimanta), Amavasya · Fri 9 Oct, 21:36 – Sat 10 Oct, 21:20 Śrāddha and fast on the same day Kept
  • 29Sep Wednesday, 29 September 2027 Bhadrapada (amanta) / Ashwin (purnimanta), Amavasya · Wed 29 Sep, 10:55 – Thu 30 Sep, 08:06 Śrāddha this day, fast on Thursday, 30 September Next
  • 18Sep Monday, 18 September 2028 Bhadrapada (amanta) / Ashwin (purnimanta), Amavasya · Mon 18 Sep, 03:47 – 23:53 Śrāddha and fast on the same day Later

How Wednesday, 29 September 2027 is chosen

Bhadrapada (amanta) / Ashwin (purnimanta), Amavasya · Mahālaya

Amavasya from Wed 29 Sep, 10:55 to Thu 30 Sep, 08:06, Delhi time.

Fast day, Thursday, 30 September: the fast takes the later of Wednesday and Thursday, the day joined to the next Pratipadā, and never the day joined to Chaturdaśī. Nirṇaya-sindhu p. 73

Śrāddha, Wednesday, 29 September: the Amāvasyā covers all of Wednesday’s aparāhṇa, the last third of the daytime, and none of Thursday’s. Nirṇaya-sindhu pp. 81, 87

Every Amavasya of 2027

Questions

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

When is Mahalaya 2027?

In Delhi, the Mahālaya śrāddha falls on Wednesday, 29 September 2027, with the fast on Thursday, 30 September 2027. The Amāvasyā runs from Wed 29 Sep, 10:55 to Thu 30 Sep, 08:06.

What is the Mahalaya fortnight?

The dark fortnight after the Bhādrapada full moon, called Bhādrapada kṛṣṇa where the month ends at the new moon (amānta) and Āśvina kṛṣṇa where it ends at the full moon (pūrṇimānta). Pārvaṇa śrāddha is done on its days, and its Amāvasyā is the last of them. The Nirṇaya-sindhu, quoting Śāṭyāyani, calls it most meritorious when the Sun is in Kanyā. Nirṇaya-sindhu p. 215

What time is the Amavasya shraddha?

In the aparāhṇa, the last third of the daytime, on the day whose aparāhṇa the Amāvasyā touches. In Delhi in 2027: Wednesday, 29 September, 14:10 to 18:08. When it touches both afternoons, the kutapa, the 8th of the day’s 15 muhūrtas, decides. Nirṇaya-sindhu pp. 81⁠–⁠87

Is Sarva Pitru Amavasya the same day?

Yes. Sarva Pitṛ Amāvasyā is a popular name for the Mahālaya Amāvasyā; the texts read do not use it.

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