Ruling · Jitāṣṭamī (Jitiya) · 1924

Sunday 21 September

Determinatein Shaoxing, under the Rashtriya Panchang method. Clear of every threshold by 169 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 Saturday 20 September

Aṣṭamī is absent from pradoṣa. Not taken.

17:57 sunsetpradoṣa ends 19:32
17:3317:5718:2118:4519:0919:3319:57

0 of 94 minutes covered

Evening of Sunday 21 September

Taken. The only evening Aṣṭamī reaches.

17:56 sunsetpradoṣa ends 19:31
17:3217:5618:2018:4419:0819:3219:56

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 22:21 on Sat 20 Sep to 00:48 on Mon 22 Sep.

    1924-09-20T14:20:57Z → 1924-09-21T16:48:10Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:57–19:32 on the 20th, 17:56–19:31 on the 21st.

    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 20th and 95 of 95 on the 21st.

    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 10152 s

  5. 05

    Ruling

    Jitāṣṭamī, Shaoxing, 1924: Sunday 21 September.

    confidence: determinate

Say it like this

In Shaoxing, Jitāṣṭamī (Jitiya) 1924 falls on Sunday 21 September. Aṣṭamī runs from 22:21 on Sat 20 Sep to 00:48 on Mon 22 Sep and covers all of pradoṣa that evening.

ahargana.org/shaoxing/festivals/1924/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 21 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 21 Sep
compat-drikpanchangComparison profileSun 21 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 20thCoveredSunset 21stCoveredRuled
Los Angeles06:21 → 08:4817:5294 min17:510 min20 Sep
Chicago09:21 → 11:4818:5194 min18:500 min20 Sep
Jersey City10:21 → 12:4818:5794 min18:550 min20 Sep
Port of Spain10:21 → 12:4818:0395 min18:030 min20 Sep
London15:21 → 16:4819:0493 min18:020 min20 Sep
Durban16:21 → 18:4817:5096 min17:5157 min20 Sep
Dubai18:21 → 20:4818:1891 min18:1795 min21 Sep
Delhi19:51 → 22:1818:204 min18:1995 min21 Sep
Kolkata19:51 → 22:1817:350 min17:3495 min21 Sep
Singapore21:21 → 23:4818:010 min18:0195 min21 Sep
Sydney00:21 → 02:4817:490 min17:5095 min21 Sep
Suva02:21 → 04:4818:020 min18:0295 min21 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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