Ruling · Rāsayātrā · 2028

Wednesday 1 November

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 539 minutes.

Decide it for

23°11′ N 75°47′ E · Asia/Kolkata · GeoNames 1253914

The two nights

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

Night of Wednesday 1 November

Taken. The only night Pūrṇimā reaches.

niśītha begins 23:47  00:35 niśītha ends
22:5923:2323:4700:1100:3500:5901:23

48 of 48 minutes covered

Night of Thursday 2 November

Pūrṇimā is absent from niśītha. Not taken.

niśītha begins 23:47  00:35 niśītha ends
22:5923:2323:4700:1100:3500:5901:23

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 13:09 on Wed 1 Nov to 14:47 on Thu 2 Nov.

    2028-11-01T07:38:31Z → 2028-11-02T09:17:22Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 23:47–00:35 on the 1st, 23:47–00:35 on the 2nd.

    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 1st and 0 of 48 on the 2nd.

    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 32355 s

  5. 05

    Ruling

    Rāsayātrā, Ujjain, 2028: Wednesday 1 November.

    confidence: determinate

Say it like this

In Ujjain, Rāsayātrā 2028 falls on Wednesday 1 November. Pūrṇimā runs from 13:09 on Wed 1 Nov to 14:47 on Thu 2 Nov and covers all of niśītha that night.

ahargana.org/ujjain/festivals/2028/rasayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 1 Nov
Ahargaṇa, classicalDisc centre, no refractionWed 1 Nov
compat-drikpanchangComparison profileWed 1 Nov
No institution has a recorded ruling for Ujjain.

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 1stCoveredNiśītha 2ndCoveredRuled
Los Angeles00:39 → 02:1700:1348 min00:130 min1 Nov
Chicago02:39 → 04:1700:1148 min00:110 min1 Nov
Jersey City03:39 → 05:1700:1648 min00:160 min1 Nov
Port of Spain03:39 → 05:1723:2648 min23:260 min1 Nov
London07:39 → 09:1723:2148 min23:210 min1 Nov
Durban09:39 → 11:1723:1548 min23:150 min1 Nov
Dubai11:39 → 13:1723:3948 min23:380 min1 Nov
Delhi13:09 → 14:4723:4148 min23:410 min1 Nov
Kolkata13:09 → 14:4722:5648 min22:560 min1 Nov
Singapore15:39 → 17:1700:2448 min00:240 min1 Nov
Sydney18:39 → 20:1700:1548 min00:150 min1 Nov
Suva19:39 → 21:1723:2648 min23:260 min1 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