Ruling · Rāsayātrā · 2024

Thursday 14 November

Determinatein Chicago, under the Rashtriya Panchang method. Clear of every threshold by 262 minutes.

Decide it for

41°51′ N 87°39′ W · America/Chicago · GeoNames 4887398

The two nights

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

Night of Thursday 14 November

Taken. The only night Pūrṇimā reaches.

niśītha begins 23:12  00:00 niśītha ends
22:2422:4823:1223:3600:0000:2400:48

48 of 48 minutes covered

Night of Friday 15 November

Pūrṇimā is absent from niśītha. Not taken.

niśītha begins 23:12  00:00 niśītha ends
22:2422:4823:1223:3600:0000:2400:48

0 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 18:50 on Thu 14 Nov to 15:29 on Fri 15 Nov.

    2024-11-15T00:49:34Z → 2024-11-15T21:28:31Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:12–00:00 on the 14th, 23:12–00:00 on the 15th.

    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 14th and 0 of 48 on the 15th.

    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 15717 s

  5. 05

    Ruling

    Rāsayātrā, Chicago, 2024: Thursday 14 November.

    confidence: determinate

Say it like this

In Chicago, Rāsayātrā 2024 falls on Thursday 14 November. Pūrṇimā runs from 18:50 on Thu 14 Nov to 15:29 on Fri 15 Nov and covers all of niśītha that night.

ahargana.org/chicago/festivals/2024/rasayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 14 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 14 Nov
compat-drikpanchangComparison profileThu 14 Nov
No institution has a recorded ruling for Chicago.

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 15thCoveredNiśītha 16thCoveredRuled
Los Angeles16:50 → 13:2923:140 min23:140 min14 Nov
Chicago18:50 → 15:2923:120 min23:120 min14 Nov
Jersey City19:50 → 16:2923:170 min23:180 min14 Nov
Port of Spain20:50 → 17:2923:270 min23:270 min14 Nov
London00:50 → 21:2923:220 min23:220 min15 Nov
Durban02:50 → 23:2923:1612 min23:170 min15 Nov
Dubai04:50 → 01:2923:4048 min23:400 min15 Nov
Delhi06:20 → 02:5923:4248 min23:420 min15 Nov
Kolkata06:20 → 02:5922:5748 min22:580 min15 Nov
Singapore08:50 → 05:2900:2548 min00:250 min15 Nov
Sydney11:50 → 08:2900:1648 min00:160 min15 Nov
Suva12:50 → 09:2923:2748 min23:270 min15 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