Ruling · Janmāṣṭamī (Kṛṣṇa Janmāṣṭamī) · 2024

Monday 26 August

Determinatein Ujjain, under the Rashtriya Panchang method. Clear of every threshold by 88 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 Sunday 25 August

Aṣṭamī 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 Monday 26 August

Taken. The only night Aṣṭamī reaches.

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

48 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 03:40 on Mon 26 Aug to 02:20 on Tue 27 Aug.

    2024-08-25T22:09:40Z → 2024-08-26T20:50:15Z

  2. 02

    Kāla

    Niśītha is 1 ghaṭikā either side of midnight: 00:05–00:53 on the 25th, 00:05–00:53 on the 26th.

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

  3. 03

    Rule

    Aṣṭamī must be present during niśītha. It covers 0 of 48 minutes on the 25th and 48 of 48 on the 26th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

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

    priority: paraviddha → only-day · margin 5257 s

  5. 05

    Ruling

    Janmāṣṭamī, Ujjain, 2024: Monday 26 August.

    confidence: determinate

Say it like this

In Ujjain, Janmāṣṭamī (Krishna Janmashtami) 2024 falls on Monday 26 August. Aṣṭamī runs from 03:40 on Mon 26 Aug to 02:20 on Tue 27 Aug and covers all of niśītha that night.

ahargana.org/ujjain/festivals/2024/janmashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 26 Aug
Ahargaṇa, classicalDisc centre, no refractionMon 26 Aug
compat-drikpanchangComparison profileMon 26 Aug
Rashtriya PanchangPrincipal festivals, 2024-25Mon 26 Aug

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

The rule, as data

/rules/janmashtami · ruleset 2026.3-draft

Month
Śrāvaṇa, amānta
Pakṣa · aṅga
Kṛṣṇa · Aṣṭamī
Kāla
Niśītha
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 103

“K 8 Janmastami (madhyaratra-vyapini), if midnight is covered on two days, or not on any day, it is to be observed on the 2nd day; special when combined with naksatra 'Rohini' at midnight, more so when on Monday or Wednesday. If the combination occurs before midnight and 'Rohini' extends up to midnight, it is to be observed on that day. Gokulastami.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103. The clauses on Rohiṇī nakṣatra, the Vaiṣṇava observance on the day after saptamī, and the Assam and South India reckoning in the solar month belong to other readings and are not applied.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīNiśītha 25thCoveredNiśītha 26thCoveredRuled
Los Angeles15:10 → 13:5000:3148 min00:310 min25 Aug
Chicago17:10 → 15:5000:2948 min00:280 min25 Aug
Jersey City18:10 → 16:5000:3448 min00:340 min25 Aug
Port of Spain18:10 → 16:5023:4448 min23:440 min25 Aug
London23:10 → 21:5000:3948 min00:380 min25 Aug
Durban00:10 → 22:5023:3312 min23:330 min25 Aug
Dubai02:10 → 00:5023:570 min23:5648 min26 Aug
Delhi03:40 → 02:2023:590 min23:5948 min26 Aug
Kolkata03:40 → 02:2023:150 min23:1448 min26 Aug
Singapore06:10 → 04:5000:420 min00:4248 min26 Aug
Sydney08:10 → 06:5023:330 min23:3348 min26 Aug
Suva10:10 → 08:5023:440 min23:4448 min26 Aug
Profile · tradition
pac-rp@2026.1 · smarta
Rule
janmashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s