Ruling · Rāsayātrā · 1957

Thursday 7 November

Boundaryin Melbourne, under the Rashtriya Panchang method. A threshold is only 4 min 19 s away. Say “contested”.

Decide it for

37°49′ S 144°58′ E · Australia/Melbourne · GeoNames 2158177

The two nights

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

Night of Wednesday 6 November

Qualifies with 48 of 48 minutes. Not taken.

niśītha begins 23:40  00:28 niśītha ends
Pūrṇimā begins 23:16:42
22:5223:1623:4000:0400:2800:5201:16

48 of 48 minutes covered

Night of Thursday 7 November

Taken. Both nights qualify; the rule takes the second.

niśītha begins 23:40  00:28 niśītha ends
Pūrṇimā ends 00:31:58
22:5223:1623:4000:0400:2800:5201:16

48 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 23:17 on Wed 6 Nov to 00:32 on Fri 8 Nov.

    1957-11-06T13:16:42Z → 1957-11-07T14:31:58Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:40–00:28 on the 6th, 23:40–00:28 on the 7th.

    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 6th and 48 of 48 on the 7th.

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

  4. 04

    Tie-break

    Both nights qualify. Paraviddhā: the second is taken.

    priority: paraviddha → paraviddha · margin 259 s < 300 s

  5. 05

    Ruling

    Rāsayātrā, Melbourne, 1957: Thursday 7 November.

    confidence: boundary (margin)

Say it like this

In Melbourne, Rāsayātrā 1957 falls on Thursday 7 November. Pūrṇimā runs from 23:17 on Wed 6 Nov to 00:32 on Fri 8 Nov and covers all of niśītha that night. It also reaches the previous night for 48 minutes; by the rule the second night is taken. It is 4 min 19 s from a threshold: treat the date as contested.

ahargana.org/melbourne/festivals/1957/rasayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 7 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 7 Nov
compat-drikpanchangComparison profileThu 7 Nov
No institution has a recorded ruling for Melbourne.

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 6thCoveredNiśītha 7thCoveredRuled
Los Angeles05:17 → 06:3223:1348 min23:130 min6 Nov
Chicago07:17 → 08:3223:1148 min23:110 min6 Nov
Jersey City08:17 → 09:3223:1648 min23:160 min6 Nov
Port of Spain09:17 → 10:3223:2648 min23:260 min6 Nov
London13:17 → 14:3223:2148 min23:210 min6 Nov
Durban15:17 → 16:3223:1548 min23:150 min6 Nov
Dubai17:17 → 18:3223:3948 min23:390 min6 Nov
Delhi18:47 → 20:0223:4148 min23:410 min6 Nov
Kolkata18:47 → 20:0222:5648 min22:560 min6 Nov
Singapore20:47 → 22:0223:5448 min23:540 min6 Nov
Sydney23:17 → 00:3223:1546 min23:1548 min7 Nov
Suva01:17 → 02:3223:260 min23:2648 min7 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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