Ruling · Rāsayātrā · 1900

Tuesday 6 November

Determinatein Lucknow, under the Rashtriya Panchang method. Clear of every threshold by 255 minutes.

Decide it for

26°50′ N 80°55′ E · Asia/Kolkata · GeoNames 1264733

The two nights

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

Night of Monday 5 November

Pūrṇimā is absent from niśītha. Not taken.

niśītha begins 23:17  00:05 niśītha ends
22:2922:5323:1723:4100:0500:2900:53

0 of 48 minutes covered

Night of Tuesday 6 November

Taken. The only night Pūrṇimā reaches.

niśītha begins 23:17  00:05 niśītha ends
22:2922:5323:1723:4100:0500:2900:53

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 07:44 on Tue 6 Nov to 04:21 on Wed 7 Nov.

    1900-11-06T02:23:16Z → 1900-11-06T22:59:39Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:17–00:05 on the 5th, 23:17–00:05 on the 6th.

    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 5th and 48 of 48 on the 6th.

    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 15326 s

  5. 05

    Ruling

    Rāsayātrā, Lucknow, 1900: Tuesday 6 November.

    confidence: determinate

Say it like this

In Lucknow, Rāsayātrā 1900 falls on Tuesday 6 November. Pūrṇimā runs from 07:44 on Tue 6 Nov to 04:21 on Wed 7 Nov and covers all of niśītha that night.

ahargana.org/lucknow/festivals/1900/rasayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 6 Nov
Ahargaṇa, classicalDisc centre, no refractionTue 6 Nov
compat-drikpanchangComparison profileTue 6 Nov
No institution has a recorded ruling for Lucknow.

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 Angeles18:23 → 15:0023:130 min23:130 min5 Nov
Chicago20:23 → 17:0023:110 min23:110 min5 Nov
Jersey City21:23 → 18:0023:160 min23:160 min5 Nov
Port of Spain22:23 → 19:0023:260 min23:260 min5 Nov
London02:23 → 23:0023:210 min23:210 min6 Nov
Durban03:53 → 00:3022:4548 min22:460 min6 Nov
Dubai06:04 → 02:4123:2048 min23:200 min6 Nov
Delhi07:44 → 04:2123:3248 min23:320 min6 Nov
Kolkata07:44 → 04:2122:4748 min22:470 min6 Nov
Singapore09:18 → 05:5523:1948 min23:190 min6 Nov
Sydney12:23 → 09:0023:1548 min23:150 min6 Nov
Suva14:18 → 10:5523:2148 min23:210 min6 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