Ruling · Jitāṣṭamī (Jitiya) · 1912

Thursday 3 October

Boundaryin Shaoxing, under the Rashtriya Panchang method. A threshold is only 1 min 51 s away. Say “contested”.

Decide it for

30°00′ N 120°35′ E · Asia/Shanghai · GeoNames 1795855

The two evenings

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

Evening of Thursday 3 October

Taken. The only evening Aṣṭamī reaches.

17:41 sunsetpradoṣa ends 19:19
Aṣṭamī begins 17:43:17
17:1717:4118:0518:2918:5319:1719:41

96 of 97 minutes covered, the last 96

Evening of Friday 4 October

Aṣṭamī is absent from pradoṣa. Not taken.

17:40 sunsetpradoṣa ends 19:18
17:1617:4018:0418:2818:5219:1619:40

0 of 98 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 17:43 on Thu 3 Oct to 15:47 on Fri 4 Oct.

    1912-10-03T09:43:17Z → 1912-10-04T07:47:04Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:41–19:19 on the 3rd, 17:40–19:18 on the 4th.

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

  3. 03

    Rule

    Aṣṭamī must be present during pradoṣa. It covers 96 of 97 minutes on the 3rd and 0 of 98 on the 4th.

    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 111 s < 300 s

  5. 05

    Ruling

    Jitāṣṭamī, Shaoxing, 1912: Thursday 3 October.

    confidence: boundary (margin)

Say it like this

In Shaoxing, Jitāṣṭamī (Jitiya) 1912 falls on Thursday 3 October. Aṣṭamī runs from 17:43 on Thu 3 Oct to 15:47 on Fri 4 Oct and covers 96 of 97 minutes of pradoṣa that evening. It is 1 min 51 s from a threshold: treat the date as contested.

ahargana.org/shaoxing/festivals/1912/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 3 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 3 Oct
compat-drikpanchangComparison profileThu 3 Oct
No institution has a recorded ruling for Shaoxing.

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 3rdCoveredSunset 4thCoveredRuled
Los Angeles01:43 → 23:4717:3498 min17:330 min3 Oct
Chicago03:43 → 01:4717:2999 min17:270 min3 Oct
Jersey City04:43 → 02:4717:3599 min17:340 min3 Oct
Port of Spain05:43 → 03:4717:5596 min17:550 min3 Oct
London09:43 → 07:4717:34100 min17:320 min3 Oct
Durban11:43 → 09:4717:5893 min17:580 min3 Oct
Dubai13:24 → 11:2817:4597 min17:440 min3 Oct
Delhi15:13 → 13:1718:0597 min18:040 min3 Oct
Kolkata15:13 → 13:1717:2397 min17:220 min3 Oct
Singapore16:43 → 14:4717:5695 min17:560 min3 Oct
Sydney19:43 → 17:4717:580 min17:590 min3 Oct
Suva21:38 → 19:4217:590 min17:5994 min4 Oct
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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