Ruling · Rāsayātrā · 2063

Monday 5 November

Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 475 minutes.

Decide it for

35°42′ N 51°25′ E · Asia/Tehran · GeoNames 112931

The two nights

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

Night of Sunday 4 November

Pūrṇimā is absent from niśītha. Not taken.

niśītha begins 23:24  00:12 niśītha ends
22:3623:0023:2423:4800:1200:3601:00

0 of 48 minutes covered

Night of Monday 5 November

Taken. The only night Pūrṇimā reaches.

niśītha begins 23:24  00:12 niśītha ends
22:3623:0023:2423:4800:1200:3601:00

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 08:07 on Mon 5 Nov to 08:53 on Tue 6 Nov.

    2063-11-05T04:36:52Z → 2063-11-06T05:22:53Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:24–00:12 on the 4th, 23:24–00:12 on the 5th.

    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 4th and 48 of 48 on the 5th.

    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 28478 s

  5. 05

    Ruling

    Rāsayātrā, Tehran, 2063: Monday 5 November.

    confidence: determinate

Say it like this

In Tehran, Rāsayātrā 2063 falls on Monday 5 November. Pūrṇimā runs from 08:07 on Mon 5 Nov to 08:53 on Tue 6 Nov and covers all of niśītha that night.

ahargana.org/tehran/festivals/2063/rasayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 5 Nov
Ahargaṇa, classicalDisc centre, no refractionMon 5 Nov
compat-drikpanchangComparison profileMon 5 Nov
No institution has a recorded ruling for Tehran.

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 5thCoveredNiśītha 6thCoveredRuled
Los Angeles20:37 → 21:2323:130 min23:130 min4 Nov
Chicago22:37 → 23:2323:1112 min23:110 min5 Nov
Jersey City23:37 → 00:2323:1648 min23:160 min5 Nov
Port of Spain00:37 → 01:2323:2648 min23:260 min5 Nov
London04:37 → 05:2323:2148 min23:210 min5 Nov
Durban06:37 → 07:2323:1548 min23:150 min5 Nov
Dubai08:37 → 09:2323:3948 min23:390 min5 Nov
Delhi10:07 → 10:5323:4148 min23:410 min5 Nov
Kolkata10:07 → 10:5322:5648 min22:560 min5 Nov
Singapore12:37 → 13:2300:2448 min00:240 min5 Nov
Sydney15:37 → 16:2300:1548 min00:150 min5 Nov
Suva16:37 → 17:2323:2648 min23:260 min5 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