Ruling · Rāsayātrā · 1932

Saturday 12 November

Determinatein Chattogram, under the Rashtriya Panchang method. Clear of every threshold by 585 minutes.

Decide it for

22°20′ N 91°50′ E · Asia/Dhaka · GeoNames 1205733

The two nights

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

Night of Saturday 12 November

Taken. The only night Pūrṇimā reaches.

niśītha begins 23:06  23:54 niśītha ends
22:1822:4223:0623:3023:5400:1800:42

48 of 48 minutes covered

Night of Sunday 13 November

Pūrṇimā is absent from niśītha. Not taken.

niśītha begins 23:06  23:54 niśītha ends
22:1822:4223:0623:3023:5400:1800:42

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 10:49 on Sat 12 Nov to 13:21 on Sun 13 Nov.

    1932-11-12T04:56:24Z → 1932-11-13T07:27:58Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:06–23:54 on the 12th, 23:06–23:54 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 35114 s

  5. 05

    Ruling

    Rāsayātrā, Chattogram, 1932: Saturday 12 November.

    confidence: determinate

Say it like this

In Chattogram, Rāsayātrā 1932 falls on Saturday 12 November. Pūrṇimā runs from 10:49 on Sat 12 Nov to 13:21 on Sun 13 Nov and covers all of niśītha that night.

ahargana.org/chattogram/festivals/1932/rasayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 12 Nov
Ahargaṇa, classicalDisc centre, no refractionSat 12 Nov
compat-drikpanchangComparison profileSat 12 Nov
No institution has a recorded ruling for Chattogram.

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 Angeles20:56 → 23:2823:1414 min23:140 min12 Nov
Chicago22:56 → 01:2823:1148 min23:110 min12 Nov
Jersey City23:56 → 02:2823:1748 min23:170 min12 Nov
Port of Spain00:56 → 03:2823:2648 min23:270 min12 Nov
London04:56 → 07:2823:2148 min23:210 min12 Nov
Durban06:56 → 09:2823:1648 min23:160 min12 Nov
Dubai08:56 → 11:2823:3948 min23:390 min12 Nov
Delhi10:26 → 12:5823:4248 min23:420 min12 Nov
Kolkata10:26 → 12:5822:5748 min22:570 min12 Nov
Singapore11:56 → 14:2823:2548 min23:250 min12 Nov
Sydney14:56 → 17:2823:1548 min23:150 min12 Nov
Suva16:56 → 19:2823:2648 min23:270 min12 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