Ruling · Jitāṣṭamī (Jitiya) · 1964

Monday 28 September

Determinatein Shaoxing, under the Rashtriya Panchang method. Clear of every threshold by 344 minutes.

Decide it for

ShaoxingDelhiKolkataSingaporeSydneyJersey City

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 Monday 28 September

Taken. The only evening Aṣṭamī reaches.

17:47 sunsetpradoṣa ends 19:23
17:2317:4718:1118:3518:5919:2319:47

96 of 96 minutes covered

Evening of Tuesday 29 September

Aṣṭamī is absent from pradoṣa. Not taken.

17:46 sunsetpradoṣa ends 19:22
17:2217:4618:1018:3418:5819:2219:46

0 of 97 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 12:03 on Mon 28 Sep to 10:01 on Tue 29 Sep.

    1964-09-28T04:03:03Z → 1964-09-29T02:00:48Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:47–19:23 on the 28th, 17:46–19:22 on the 29th.

    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 96 minutes on the 28th and 0 of 97 on the 29th.

    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 20641 s

  5. 05

    Ruling

    Jitāṣṭamī, Shaoxing, 1964: Monday 28 September.

    confidence: determinate

Say it like this

In Shaoxing, Jitāṣṭamī (Jitiya) 1964 falls on Monday 28 September. Aṣṭamī runs from 12:03 on Mon 28 Sep to 10:01 on Tue 29 Sep and covers all of pradoṣa that evening.

ahargana.org/shaoxing/festivals/1964/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 28 Sep
Ahargaṇa, classicalDisc centre, no refractionMon 28 Sep
compat-drikpanchangComparison profileMon 28 Sep
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 28thCoveredSunset 29thCoveredRuled
Los Angeles21:03 → 19:0118:4120 min18:390 min28 Sep
Chicago23:03 → 21:0118:3797 min18:350 min28 Sep
Jersey City00:03 → 22:0118:4397 min18:410 min28 Sep
Port of Spain00:03 → 22:0117:5896 min17:570 min28 Sep
London05:03 → 03:0118:4598 min18:430 min28 Sep
Durban06:03 → 04:0117:5594 min17:560 min28 Sep
Dubai08:03 → 06:0118:0996 min18:080 min28 Sep
Delhi09:33 → 07:3118:1196 min18:090 min28 Sep
Kolkata09:33 → 07:3117:2796 min17:260 min28 Sep
Singapore11:33 → 09:3118:2895 min18:280 min28 Sep
Sydney14:03 → 12:0117:5593 min17:560 min28 Sep
Suva16:03 → 14:0118:0394 min18:030 min28 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

About Ahargaṇa