Ruling · Rāsayātrā · 2069

Wednesday 27 November

Determinatein Cairo, under the Rashtriya Panchang method. Clear of every threshold by 230 minutes.

Decide it for

30°04′ N 31°15′ E · Africa/Cairo · GeoNames 360630

The two nights

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

Night of Wednesday 27 November

Taken. The only night Pūrṇimā reaches.

niśītha begins 23:19  00:07 niśītha ends
22:3122:5523:1923:4300:0700:3100:55

48 of 48 minutes covered

Night of Thursday 28 November

Pūrṇimā is absent from niśītha. Not taken.

niśītha begins 23:19  00:07 niśītha ends
22:3122:5523:1923:4300:0700:3100:55

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 19:29 on Wed 27 Nov to 15:47 on Thu 28 Nov.

    2069-11-27T17:29:11Z → 2069-11-28T13:47:00Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:19–00:07 on the 27th, 23:19–00:07 on the 28th.

    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 27th and 0 of 48 on the 28th.

    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 13798 s

  5. 05

    Ruling

    Rāsayātrā, Cairo, 2069: Wednesday 27 November.

    confidence: determinate

Say it like this

In Cairo, Rāsayātrā 2069 falls on Wednesday 27 November. Pūrṇimā runs from 19:29 on Wed 27 Nov to 15:47 on Thu 28 Nov and covers all of niśītha that night.

ahargana.org/cairo/festivals/2069/rasayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 27 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 27 Nov
compat-drikpanchangComparison profileWed 27 Nov
No institution has a recorded ruling for Cairo.

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 27thCoveredNiśītha 28thCoveredRuled
Los Angeles09:29 → 05:4723:1748 min23:180 min27 Nov
Chicago11:29 → 07:4723:1548 min23:150 min27 Nov
Jersey City12:29 → 08:4723:2148 min23:210 min27 Nov
Port of Spain13:29 → 09:4723:3048 min23:310 min27 Nov
London17:29 → 13:4723:2548 min23:250 min27 Nov
Durban19:29 → 15:4723:2048 min23:200 min27 Nov
Dubai21:29 → 17:4723:4348 min23:430 min27 Nov
Delhi22:59 → 19:1723:4548 min23:460 min27 Nov
Kolkata22:59 → 19:1723:0148 min23:010 min27 Nov
Singapore01:29 → 21:4700:290 min00:290 min28 Nov
Sydney04:29 → 00:4700:190 min00:1928 min28 Nov
Suva05:29 → 01:4723:300 min23:3048 min28 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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