November 2001 · each Moon as it stands at sunriseĀśvina Śukla to Kārtika ŚuklaThe month ›

Ruling · 2001 · Colombo

Rāsayātrā

Friday 30 November2001 · Colombo, Western Province, Sri Lanka

Determinatemargin 116 min

In Colombo, under the Rashtriya Panchang method. Clear of every threshold by 116 minutes.

Decide it forColomboDelhiKolkataSingaporeSydneyJersey City6°56′ N 79°51′ E · Asia/Colombo · GeoNames 1248991

The two nights निशीथ

One ghaṭī is 24 minutes

Niśītha is 1 ghaṭikā either side of midnight.

Night of Thursday 29 November

Pūrṇimā is absent from niśītha. Not taken.

niśītha begins 00:05  00:53 niśītha ends
23:1723:4100:0500:2900:5301:1701:41

0 of 48 minutes covered

Night of Friday 30 November

Taken. The only night Pūrṇimā reaches.

niśītha begins 00:05  00:53 niśītha ends
23:1723:4100:0500:2900:5301:1701:41

48 of 48 minutes covered

Pūrṇimā presentNiśītha, the window the rule readsThe instant the tithi begins or ends

How it was decided निर्णय

  1. Step 1, Aṅga

    Pūrṇimā runs from 03:15 on Fri 30 Nov to 02:49 on Sat 1 Dec.

    2001-11-29T21:15:07Z → 2001-11-30T20:49:03Z
  2. Step 2, Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 00:05–00:53 on the 29th, 00:05–00:53 on the 30th.

    nishita: midnight-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
  3. Step 3, Rule

    Pūrṇimā must be present during niśītha. It covers 0 of 48 minutes on the 29th and 48 of 48 on the 30th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
  4. Step 4, Tie-break

    Only one night qualifies. No tie-break is needed.

    one day qualifies → only-day · margin 6937 s
  5. Step 5, Ruling

    Rāsayātrā, Colombo, 2001: Friday 30 November.

    confidence: determinate

Say it like this

In Colombo, Rāsayātrā 2001 falls on Friday 30 November. Pūrṇimā runs from 03:15 on Fri 30 Nov to 02:49 on Sat 1 Dec and covers all of niśītha that night.

ahargana.org/colombo/festivals/2001/rasayatrapac-rp@2026.1

Who says what

never edited to agree

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 30 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 30 Nov
compat-drikpanchangComparison profileFri 30 Nov
No institution has a recorded ruling for Colombo.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

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 clocks

PlacePūrṇimāNiśītha 29thCoveredNiśītha 30thCoveredRuled
Los Angeles13:15 → 12:4923:1848 min23:180 min29 Nov
Chicago15:15 → 14:4923:1548 min23:160 min29 Nov
Jersey City16:15 → 15:4923:2148 min23:210 min29 Nov
Port of Spain17:15 → 16:4923:3148 min23:310 min29 Nov
London21:15 → 20:4923:2548 min23:260 min29 Nov
Durban23:15 → 22:4923:2048 min23:210 min29 Nov
Dubai01:15 → 00:4923:430 min23:4448 min30 Nov
Delhi02:45 → 02:1923:460 min23:4648 min30 Nov
Kolkata02:45 → 02:1923:010 min23:0148 min30 Nov
Singapore05:15 → 04:4900:290 min00:2948 min30 Nov
Sydney08:15 → 07:4900:190 min00:2048 min30 Nov
Suva09:15 → 08:4923:310 min23:3148 min30 Nov
This ruling as JSON · ICS
Profile · tradition
pac-rp@2026.1 · smarta
Rule
rasayatra@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s