Ruling · Rāsayātrā · 2038

Thursday 11 November

Boundaryin Luanda, under the Rashtriya Panchang method. A threshold is only 0 min 08 s away. Say “contested”.

Decide it for

8°50′ S 13°14′ E · Africa/Luanda · GeoNames 2240449

The two nights

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

Night of Wednesday 10 November

Qualifies with 48 of 48 minutes. Not taken.

niśītha begins 23:27  00:15 niśītha ends
22:3923:0323:2723:5100:1500:3901:03

48 of 48 minutes covered

Night of Thursday 11 November

Taken. Both nights qualify; the rule takes the second.

niśītha begins 23:27  00:15 niśītha ends
Pūrṇimā ends 23:27:14
22:3923:0323:2723:5100:1500:3901:03

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 20:53 on Wed 10 Nov to 23:27 on Thu 11 Nov.

    2038-11-10T19:53:06Z → 2038-11-11T22:27:15Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:27–00:15 on the 10th, 23:27–00:15 on the 11th.

    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 10th and 0 of 48 on the 11th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both nights qualify. Paraviddhā: the second is taken.

    priority: paraviddha → paraviddha · margin 8 s < 300 s

  5. 05

    Ruling

    Rāsayātrā, Luanda, 2038: Thursday 11 November.

    confidence: boundary (margin)

Say it like this

In Luanda, Rāsayātrā 2038 falls on Thursday 11 November. Pūrṇimā runs from 20:53 on Wed 10 Nov to 23:27 on Thu 11 Nov and covers 0 of 48 minutes of niśītha that night. It also reaches the previous night for 48 minutes; by the rule the second night is taken. It is 0 min 08 s from a threshold: treat the date as contested.

ahargana.org/luanda/festivals/2038/rasayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 11 Nov
Ahargaṇa, classicalDisc centre, no refractionThu 11 Nov
compat-drikpanchangComparison profileWed 10 Nov
No institution has a recorded ruling for Luanda.

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 10thCoveredNiśītha 11thCoveredRuled
Los Angeles11:53 → 14:2723:1348 min23:130 min10 Nov
Chicago13:53 → 16:2723:1148 min23:110 min10 Nov
Jersey City14:53 → 17:2723:1748 min23:170 min10 Nov
Port of Spain15:53 → 18:2723:2648 min23:260 min10 Nov
London19:53 → 22:2723:2148 min23:210 min10 Nov
Durban21:53 → 00:2723:1648 min23:1648 min11 Nov
Dubai23:53 → 02:2723:3934 min23:3948 min11 Nov
Delhi01:23 → 03:5723:410 min23:4148 min11 Nov
Kolkata01:23 → 03:5722:570 min22:5748 min11 Nov
Singapore03:53 → 06:2700:250 min00:2548 min11 Nov
Sydney06:53 → 09:2700:150 min00:1548 min11 Nov
Suva07:53 → 10:2723:260 min23:2648 min11 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