Ruling · Jitāṣṭamī (Jitiya) · 1951

Sunday 23 September

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 229 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two evenings

One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.

Evening of Saturday 22 September

Aṣṭamī is absent from pradoṣa. Not taken.

17:40 sunsetpradoṣa ends 19:14
17:1617:4018:0418:2818:5219:1619:40

0 of 94 minutes covered

Evening of Sunday 23 September

Taken. The only evening Aṣṭamī reaches.

17:38 sunsetpradoṣa ends 19:13
17:1417:3818:0218:2618:5019:1419:38

95 of 95 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 23:03 on Sat 22 Sep to 01:26 on Mon 24 Sep.

    1951-09-22T15:02:45Z → 1951-09-23T17:26:14Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:40–19:14 on the 22nd, 17:38–19:13 on the 23rd.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Aṣṭamī must be present during pradoṣa. It covers 0 of 94 minutes on the 22nd and 95 of 95 on the 23rd.

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

  4. 04

    Tie-break

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

    priority: unstated → only-day · margin 13715 s

  5. 05

    Ruling

    Jitāṣṭamī, Daqing, 1951: Sunday 23 September.

    confidence: determinate

Say it like this

In Daqing, Jitāṣṭamī (Jitiya) 1951 falls on Sunday 23 September. Aṣṭamī runs from 23:03 on Sat 22 Sep to 01:26 on Mon 24 Sep and covers all of pradoṣa that evening.

ahargana.org/daqing/festivals/1951/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 23 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 23 Sep
compat-drikpanchangComparison profileSun 23 Sep
No institution has a recorded ruling for Daqing.

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

The rule, as data

/rules/jitashtami · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Kṛṣṇa · Aṣṭamī
Kāla
Pradoṣa
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 103

“K 8 Mahalaksmi vrata samapana (current at moonrise), Jitastami (pradosa), Jimutavahana puja” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceAṣṭamīSunset 22ndCoveredSunset 23rdCoveredRuled
Los Angeles08:03 → 10:2618:5095 min18:490 min22 Sep
Chicago10:03 → 12:2618:4995 min18:470 min22 Sep
Jersey City11:03 → 13:2618:5495 min18:530 min22 Sep
Port of Spain11:03 → 13:2618:0295 min18:020 min22 Sep
London16:03 → 18:2619:0194 min18:580 min22 Sep
Durban17:03 → 19:2617:5195 min17:5294 min22 Sep
Dubai19:03 → 21:2618:1648 min18:1595 min23 Sep
Delhi20:33 → 22:5618:190 min18:1795 min23 Sep
Kolkata20:33 → 22:5617:340 min17:3395 min23 Sep
Singapore22:33 → 00:5618:310 min18:3095 min23 Sep
Sydney01:03 → 03:2617:500 min17:5195 min23 Sep
Suva03:03 → 05:2618:020 min18:0295 min23 Sep
Profile · tradition
pac-rp@2026.1 · smarta
Rule
jitashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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