Ruling · Aśūnya Śayana Vrata · 2026

Saturday 29 August

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 573 minutes.

Decide it for

23°11′ N 75°47′ E · Asia/Kolkata · GeoNames 1253914

The two moonrises

One ghaṭī is 24 minutes. The moonrise is read as disc centre, 31′.

Moonrise of Saturday 29 August

Taken. The only moonrise Dvitīyā holds at.

19:30 moonrise
18:1818:4219:0619:3019:5420:1820:42

Holds at moonrise

Moonrise of Sunday 30 August

Dvitīyā does not hold at moonrise. Not taken.

20:03 moonrise
18:5119:1519:3920:0320:2720:5121:15

Absent at moonrise

Dvitīyā presentMoonrise, the instant the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvitīyā runs from 09:57 on Sat 29 Aug to 09:38 on Sun 30 Aug.

    2026-08-29T04:27:24Z → 2026-08-30T04:07:35Z

  2. 02

    Kāla

    Moonrise is at 19:30 on the 29th and 20:03 on the 30th.

    moonrise: disc centre, 31′

  3. 03

    Rule

    Dvitīyā must be current at moonrise. It is on the 29th and is not on the 30th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Only one moonrise qualifies. No tie-break is needed.

    priority: paraviddha → only-day · margin 34372 s

  5. 05

    Ruling

    Aśūnya Śayana Vrata, Ujjain, 2026: Saturday 29 August.

    confidence: determinate

Say it like this

In Ujjain, Aśūnya Śayana Vrata 2026 falls on Saturday 29 August. Dvitīyā runs from 09:57 on Sat 29 Aug to 09:38 on Sun 30 Aug and is current at moonrise that day.

ahargana.org/ujjain/festivals/2026/ashunya-shayana-vrata · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 29 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 29 Aug
compat-drikpanchangComparison profileSat 29 Aug
No institution has a recorded ruling for Ujjain.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/ashunya-shayana-vrata · ruleset 2026.3-draft

Month
Śrāvaṇa, amānta
Pakṣa · aṅga
Kṛṣṇa · Dvitīyā
Kāla
Moonrise
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 103

“K 2 Asunyasayana vrata (Dvitiya current at moonrise; if occurs on two successive days, it is to be observed on the second day).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceDvitīyāMoonrise 29thCoveredMoonrise 30thCoveredRuled
Los Angeles21:27 → 21:0820:12holds20:39no29 Aug
Chicago23:27 → 23:0820:05holds20:27no29 Aug
Jersey City00:27 → 00:0820:11holds20:33no29 Aug
Port of Spain00:27 → 00:0819:23holds20:03no29 Aug
London05:27 → 05:0820:10holds20:22no29 Aug
Durban06:27 → 06:0819:03holds20:03no29 Aug
Dubai08:27 → 08:0819:24holds19:56no29 Aug
Delhi09:57 → 09:3819:25holds19:55no29 Aug
Kolkata09:57 → 09:3818:39holds19:12no29 Aug
Singapore12:27 → 12:0820:03holds20:47no29 Aug
Sydney14:27 → 14:0818:42holds19:44no29 Aug
Suva16:27 → 16:0818:52holds19:45no29 Aug
Profile · tradition
pac-rp@2026.1 · smarta
Rule
ashunya-shayana-vrata@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s