Ruling · Rāsayātrā · 1909

Friday 26 November

Determinatein Mosul, under the Rashtriya Panchang method. Clear of every threshold by 519 minutes.

Decide it for

MosulDelhiKolkataSingaporeSydneyJersey City

36°20′ N 43°07′ E · Asia/Baghdad · GeoNames 99072

The two nights

One ghaṭī is 24 minutes. Niśītha is 1 ghaṭikā either side of midnight.

Night of Friday 26 November

Taken. The only night Pūrṇimā reaches.

niśītha begins 23:28  00:16 niśītha ends
22:4023:0423:2823:5200:1600:4001:04

48 of 48 minutes covered

Night of Saturday 27 November

Pūrṇimā is absent from niśītha. Not taken.

niśītha begins 23:28  00:16 niśītha ends
22:4023:0423:2823:5200:1600:4001:04

0 of 48 minutes covered

Pūrṇimā presentNiśītha, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 14:49 on Fri 26 Nov to 11:49 on Sat 27 Nov.

    1909-11-26T11:51:52Z → 1909-11-27T08:51:40Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:28–00:16 on the 26th, 23:28–00:16 on the 27th.

    nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pūrṇimā must be present during niśītha. It covers 48 of 48 minutes on the 26th and 0 of 48 on the 27th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

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

    priority: paraviddha → only-day · margin 31155 s

  5. 05

    Ruling

    Rāsayātrā, Mosul, 1909: Friday 26 November.

    confidence: determinate

Say it like this

In Mosul, Rāsayātrā 1909 falls on Friday 26 November. Pūrṇimā runs from 14:49 on Fri 26 Nov to 11:49 on Sat 27 Nov and covers all of niśītha that night.

ahargana.org/mosul/festivals/1909/rasayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 26 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 26 Nov
compat-drikpanchangComparison profileFri 26 Nov
No institution has a recorded ruling for Mosul.

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

The rule, as data

/rules/rasayatra · ruleset 2026.3-draft

Month
Kārtika, amānta
Pakṣa · aṅga
Śukla · Pūrṇimā
Kāla
Niśītha
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 104

“S 15 Rasayatra, (nisithavyapini, i.e. covering a period from 24 minutes before to 24 minutes after midnight. If occurs on two days or does not occur on any day, it is to be observed on the second day), Puskar Fair. Ratha yatra (Jain), Tripurotsava (evening), Kedara vrata (Orissa), Kartiki purnima.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePūrṇimāNiśītha 26thCoveredNiśītha 27thCoveredRuled
Los Angeles03:52 → 00:5223:1748 min23:170 min26 Nov
Chicago05:52 → 02:5223:1448 min23:150 min26 Nov
Jersey City06:52 → 03:5223:2048 min23:200 min26 Nov
Port of Spain07:52 → 04:5223:3048 min23:300 min26 Nov
London11:52 → 08:5223:2448 min23:250 min26 Nov
Durban13:52 → 10:5223:1948 min23:200 min26 Nov
Dubai15:33 → 12:3323:2348 min23:240 min26 Nov
Delhi17:22 → 14:2223:4548 min23:450 min26 Nov
Kolkata17:22 → 14:2223:0048 min23:000 min26 Nov
Singapore18:52 → 15:5223:2848 min23:280 min26 Nov
Sydney21:52 → 18:5223:1848 min23:190 min26 Nov
Suva23:47 → 20:4723:2526 min23:250 min26 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
rasayatra@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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