Every month, the same message shows up in family WhatsApp groups a day or two before Amavasya.
"Kal Amavasya hai ya parso?"
Somebody checks one calendar, somebody else checks another app, and the dates don't match.
This month is a little more layered than usual. The Amavasya falling in Ashadha this July is a Darsha Amavasya — the kind most closely tied to Shraddha and Tarpan for ancestors. And the tithi timing genuinely straddles two days, which is exactly why the confusion happens.
Here's the thing… it isn't a calendar error. It's a rule most people have never had explained to them.
In this guide: the exact tithi timing, why the "observed day" isn't just the day the tithi begins, what makes this a Darsha Amavasya, and how Shraddha and Tarpan are actually done — including the shortest version.
Quick answer
Ashadha Amavasya (Darsha Amavasya) 2026 falls with the tithi running from 6:49 PM on July 13 to 3:12 PM on July 14. Because the tithi is present at sunrise and through the afternoon (aparahna) window on July 14, that is the day most Panchangs — and this article — mark for Shraddha, Tarpan, and other Amavasya rituals. July 13 evening is just when the tithi begins, not a separate ritual day.
Ashadha Amavasya 2026: Date and Exact Tithi Timing
- Tithi begins: 06:49 PM, July 13, 2026
- Tithi ends: 03:12 PM, July 14, 2026
- Month: Ashadha, Paksha: Krishna Paksha (dark fortnight), Tithi: Amavasya (new moon, the final tithi of the lunar month)
The tithi doesn't sit neatly inside one calendar day — it starts on the evening of the 13th, runs through the night, and continues into the afternoon of the 14th before ending. That's normal. Tithis are measured by the Moon's angular distance from the Sun, not by clock hours, so they rarely align with sunrise-to-sunrise days. That overlap is exactly what creates the "which day" question.
July 13 or July 14? Which Day to Observe Rituals On
Two separate rules apply here, and this Amavasya happens to satisfy both, pointing at the same day.
Rule 1 — Udaya Tithi (sunrise tithi). Most festivals go by whichever tithi is present at sunrise. On the morning of July 14, Amavasya is the prevailing tithi. By this rule alone, July 14 is the day.
Rule 2 — Aparahna Kaal (the afternoon window). Shraddha and Tarpan have a stricter rule of their own — the tithi must be present during aparahna kaal, roughly 1:30 PM to 4:00 PM. Since the Amavasya tithi ends at 3:12 PM on July 14, it's still active through most of that window. So this rule also lands on July 14.
Most Panchang sites skip this — they'll say "Ashadha Amavasya is on July 14" without explaining why it isn't the 13th. Now you know both reasons, and for this Amavasya, they agree. For most households following standard Panchang guidance, July 14, 2026 is the day to do the rituals.
What Is Darsha Amavasya?
Darsha Amavasya is simply the name for the ordinary, monthly new moon — the Amavasya at the end of every Krishna Paksha. "Darsha" comes from darshan, meaning "sighting," a reference to the moon's invisible phase. It isn't rare, the way Mahalaya or Somvati Amavasya are. Every month has one; this July's happens to fall in Ashadha.
Classical texts treat Amavasya as ruled jointly by Surya and Chandra, rather than as an "empty" day. The Brihat Parashara Hora Shastra prescribes worship of both as "the ruling deities of Amavasya" (BPHS, Ch. 86) — a specific configuration with its own presiding energies, not a void in the calendar.
Ashadha Amavasya also carries a regional name — Halharini Amavasya, from hal (plough). Farming communities worship their ploughs and tools on this day, timed with the monsoon sowing season — so this Amavasya carries two layers at once: the ancestor-facing Shraddha/Tarpan layer, and an agrarian, gratitude-to-the-land layer.
Why Amavasya Is Linked to Shraddha and Tarpan
Mantreswara's Phaladeepika states this plainly:
"If it be Amavasya or Poornamasi the Manes have to be propitiated. These measures are absolutely essential to be observed with greater care... when the Tithi happens to be one among the last five [of Krishna Paksha]." (Phaladeepika, p.124–125)
"The Manes" means the Pitrs — ancestors. Amavasya is literally the last tithi of the month, exactly the window the text points at. That's the classical basis for why ancestor propitiation carries extra weight here.
BPHS adds the "why it matters" side, framing Shraddha as carrying real weight for the family line — its remedies for neglecting it, or for "the curse of the father," include Shraddha, charity, and feeding the needy (BPHS, Ch. 85). Read that less as a threat and more as continuity: Shraddha is how a family stays connected to the people who shaped it, like calling an old professor long after they've stopped teaching you. Not out of fear — because the relationship deserves it.
Shraddha and Tarpan Vidhi — A Simple Walkthrough
Standard version: Bathe and wear clean clothes near sunrise. Sit facing south, near water (or use a clean vessel at home). Mix water with black sesame seeds (til) and a little unhulled rice or barley. Offer it in three handfuls, invoking your father, grandfather, and great-grandfather (or the maternal equivalent, per family tradition), during the aparahna window — early-to-mid afternoon. Follow with a small act of dana (charity) — food, clothes, or money — as part of the same practice.
Minimum version, for a packed day: a few minutes at any water source, offering water with sesame seeds while quietly naming your ancestors, sometime in the afternoon. Tradition treats this as valid and sufficient — Tarpan doesn't need the full ceremonial Shraddha to count.
Most families also fast partially until moonsighting, and avoid non-veg food, onion, garlic, and alcohol through the day. New ventures and weddings are typically avoided too — not because the day is "bad," but because it's reserved for looking inward, not launching something new.
Darsha Amavasya vs. Pitru Paksha vs. Mahalaya Amavasya
These terms get used almost interchangeably online, which is exactly why the searches around them stay confused.
| Darsha Amavasya | Pitru Paksha | Sarva Pitru / Mahalaya Amavasya | |
|---|---|---|---|
| What it is | The ordinary monthly new moon | 16-day period in Ashwin dedicated to ancestors | The single Amavasya closing Pitru Paksha |
| Frequency | Every lunar month | Once a year (autumn) | Once a year |
| Typical ritual | Simple Tarpan | Shraddha on the ancestor's exact death-tithi | Shraddha/Tarpan for all ancestors, tithi unknown or not |
| This July 2026 | This is the one | Not this one | Not this one |
This July's Ashadha Amavasya is the routine, monthly kind — a good occasion for a simple Tarpan. It is neither Pitru Paksha nor the more elaborate Sarva Pitru Amavasya that concludes it later in the year.
Do's and Don'ts on Ashadha Amavasya
Do: bathe before sunrise, perform Tarpan during the afternoon window, offer charity, worship Surya and Chandra, and — for farming families — honour the plough for Halharini Amavasya.
Avoid: non-vegetarian food, onion and garlic, alcohol, starting new ventures or signing major agreements, and unnecessary conflict through the day.
FAQ
What is the exact date and time of Ashadha Amavasya 2026?
The tithi begins at 6:49 PM on July 13, 2026, and ends at 3:12 PM on July 14, 2026. Since the tithi is present at both sunrise and the afternoon aparahna window on July 14, that is the day generally observed for the Amavasya and its rituals.
Is Ashadha Amavasya on July 13 or July 14, 2026?
July 14. The tithi begins on the evening of July 13, but that's only its start — not a separate observance day. Both the sunrise-tithi rule and the aparahna-kaal rule used for Shraddha and Tarpan point to July 14 this time.
What is Darsha Amavasya, and how is it different from a regular Amavasya?
It isn't a rarer kind of Amavasya — it's the standard term for the ordinary monthly new moon, from darshan (sighting). Every month's Amavasya is technically a Darsha Amavasya, distinct from special ones like Mahalaya or Somvati Amavasya.
Why is Amavasya associated with Shraddha and Tarpan?
The Phaladeepika directly states that the Manes are to be propitiated on Amavasya, with extra emphasis since it's the final tithi of Krishna Paksha. BPHS also treats Amavasya as ruled by Surya and Chandra, making it naturally significant for ancestor and lunar worship together.
Can Tarpan be done on any Amavasya, or only during Pitru Paksha?
On any Amavasya — Pitru Paksha isn't required. Pitru Paksha is a specific autumn window mainly for Shraddha tied to an ancestor's exact death-tithi. Monthly Tarpan on Darsha Amavasya, like this one, is a separate, ongoing practice.
What's the simplest way to do Tarpan if I can't manage the full ceremony?
A few minutes with water and black sesame seeds, offered while naming your ancestors sometime in the afternoon aparahna window, is a valid minimum version. Full ceremonial Shraddha is more elaborate, but a simple monthly Tarpan doesn't require it.
Is Ashadha Amavasya auspicious or inauspicious?
Neither, simply. It's a day for looking inward and honouring ancestors rather than starting new ventures — which is why weddings and launches are usually avoided, not because the day itself is unlucky.
Hindu calendars will keep throwing up this "which day" question every month, because tithis will keep straddling clock-days the way they always have. Sunrise tithi for most things, aparahna kaal specifically for Shraddha and Tarpan — once you know to check both, the confusion mostly disappears.
For this Ashadha Amavasya, both rules land on July 14, 2026. A simple Tarpan, done with attention rather than urgency, is really all the day is asking for.