Ruling · Rāsayātrā · 2031

Friday 28 November

Determinatein Daegu, under the Rashtriya Panchang method. Clear of every threshold by 406 minutes.

Decide it for

35°52′ N 128°36′ E · Asia/Seoul · GeoNames 1835329

The two nights

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

Night of Thursday 27 November

Pūrṇimā is absent from niśītha. Not taken.

niśītha begins 23:49  00:37 niśītha ends
23:0123:2523:4900:1300:3701:0101:25

0 of 48 minutes covered

Night of Friday 28 November

Taken. The only night Pūrṇimā reaches.

niśītha begins 23:50  00:38 niśītha ends
23:0223:2623:5000:1400:3801:0201:26

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 07:23 on Fri 28 Nov to 08:18 on Sat 29 Nov.

    2031-11-27T22:23:18Z → 2031-11-28T23:18:29Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:49–00:37 on the 27th, 23:50–00:38 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 0 of 48 minutes on the 27th and 48 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 24357 s

  5. 05

    Ruling

    Rāsayātrā, Daegu, 2031: Friday 28 November.

    confidence: determinate

Say it like this

In Daegu, Rāsayātrā 2031 falls on Friday 28 November. Pūrṇimā runs from 07:23 on Fri 28 Nov to 08:18 on Sat 29 Nov and covers all of niśītha that night.

ahargana.org/daegu/festivals/2031/rasayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 28 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 28 Nov
compat-drikpanchangComparison profileFri 28 Nov
No institution has a recorded ruling for Daegu.

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 Angeles14:23 → 15:1823:1748 min23:170 min27 Nov
Chicago16:23 → 17:1823:1548 min23:150 min27 Nov
Jersey City17:23 → 18:1823:2048 min23:210 min27 Nov
Port of Spain18:23 → 19:1823:3048 min23:300 min27 Nov
London22:23 → 23:1823:2548 min23:250 min27 Nov
Durban00:23 → 01:1823:190 min23:2048 min28 Nov
Dubai02:23 → 03:1823:430 min23:4348 min28 Nov
Delhi03:53 → 04:4823:450 min23:4548 min28 Nov
Kolkata03:53 → 04:4823:000 min23:0148 min28 Nov
Singapore06:23 → 07:1800:280 min00:2948 min28 Nov
Sydney09:23 → 10:1800:190 min00:1948 min28 Nov
Suva10:23 → 11:1823:300 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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