Ruling · Rāsayātrā · 1913

Wednesday 12 November

Determinatein Dakar, under the Rashtriya Panchang method. Clear of every threshold by 79 minutes.

Decide it for

14°42′ N 17°27′ W · Africa/Dakar · GeoNames 2253354

The two nights

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

Night of Wednesday 12 November

Taken. The only night Pūrṇimā reaches.

niśītha begins 00:30  01:18 niśītha ends
23:4200:0600:3000:5401:1801:4202:06

48 of 48 minutes covered

Night of Thursday 13 November

Pūrṇimā is absent from niśītha. Not taken.

niśītha begins 00:30  01:18 niśītha ends
23:4200:0600:3000:5401:1801:4202:06

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 21:52 on Wed 12 Nov to 23:11 on Thu 13 Nov.

    1913-11-12T21:51:34Z → 1913-11-13T23:11:06Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 00:30–01:18 on the 12th, 00:30–01:18 on the 13th.

    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 12th and 0 of 48 on the 13th.

    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 4749 s

  5. 05

    Ruling

    Rāsayātrā, Dakar, 1913: Wednesday 12 November.

    confidence: determinate

Say it like this

In Dakar, Rāsayātrā 1913 falls on Wednesday 12 November. Pūrṇimā runs from 21:52 on Wed 12 Nov to 23:11 on Thu 13 Nov and covers all of niśītha that night.

ahargana.org/dakar/festivals/1913/rasayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 12 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 12 Nov
compat-drikpanchangComparison profileWed 12 Nov
No institution has a recorded ruling for Dakar.

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 12thCoveredNiśītha 13thCoveredRuled
Los Angeles13:52 → 15:1123:1448 min23:140 min12 Nov
Chicago15:52 → 17:1123:1148 min23:110 min12 Nov
Jersey City16:52 → 18:1123:1748 min23:170 min12 Nov
Port of Spain17:52 → 19:1123:2648 min23:270 min12 Nov
London21:52 → 23:1123:2148 min23:210 min12 Nov
Durban23:52 → 01:1123:1612 min23:1648 min13 Nov
Dubai01:33 → 02:5223:200 min23:2048 min13 Nov
Delhi03:22 → 04:4123:410 min23:4248 min13 Nov
Kolkata03:22 → 04:4122:570 min22:5748 min13 Nov
Singapore04:52 → 06:1123:250 min23:2548 min13 Nov
Sydney07:52 → 09:1123:150 min23:1548 min13 Nov
Suva09:47 → 11:0623:210 min23:2248 min13 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

About Ahargaṇa