Ruling · Rāsayātrā · 2084

Saturday 11 November

Determinatein Chattogram, under the Rashtriya Panchang method. Clear of every threshold by 422 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 11 November

Taken. The only night Pūrṇimā reaches.

niśītha begins 23:13  00:01 niśītha ends
22:2522:4923:1323:3700:0100:2500:49

48 of 48 minutes covered

Night of Sunday 12 November

Pūrṇimā is absent from niśītha. Not taken.

niśītha begins 23:13  00:01 niśītha ends
22:2522:4923:1323:3700:0100:2500:49

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 16:00 on Sat 11 Nov to 16:12 on Sun 12 Nov.

    2084-11-11T09:59:47Z → 2084-11-12T10:11:32Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:13–00:01 on the 11th, 23:13–00:01 on the 12th.

    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 11th and 0 of 48 on the 12th.

    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 25305 s

  5. 05

    Ruling

    Rāsayātrā, Chattogram, 2084: Saturday 11 November.

    confidence: determinate

Say it like this

In Chattogram, Rāsayātrā 2084 falls on Saturday 11 November. Pūrṇimā runs from 16:00 on Sat 11 Nov to 16:12 on Sun 12 Nov and covers all of niśītha that night.

ahargana.org/chattogram/festivals/2084/rasayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 11 Nov
Ahargaṇa, classicalDisc centre, no refractionSat 11 Nov
compat-drikpanchangComparison profileSat 11 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 11thCoveredNiśītha 12thCoveredRuled
Los Angeles02:00 → 02:1223:1448 min23:140 min11 Nov
Chicago04:00 → 04:1223:1148 min23:110 min11 Nov
Jersey City05:00 → 05:1223:1748 min23:170 min11 Nov
Port of Spain06:00 → 06:1223:2748 min23:270 min11 Nov
London10:00 → 10:1223:2148 min23:220 min11 Nov
Durban12:00 → 12:1223:1648 min23:160 min11 Nov
Dubai14:00 → 14:1223:3948 min23:390 min11 Nov
Delhi15:30 → 15:4223:4248 min23:420 min11 Nov
Kolkata15:30 → 15:4222:5748 min22:570 min11 Nov
Singapore18:00 → 18:1200:2548 min00:250 min11 Nov
Sydney21:00 → 21:1200:1548 min00:150 min11 Nov
Suva22:00 → 22:1223:2748 min23:270 min11 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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