Ruling · Jitāṣṭamī (Jitiya) · 1933

Monday 11 September

Boundaryin Puning, under the Rashtriya Panchang method. Both evenings qualify and the rule does not say which to take. Say “contested”.

Decide it for

23°19′ N 116°10′ E · Asia/Shanghai · GeoNames 1802940

The two evenings

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

Evening of Monday 11 September

Taken. Both evenings qualify; the rule is silent, and this one is covered longer.

18:24 sunsetpradoṣa ends 19:56
18:0018:2418:4819:1219:3620:0020:24

93 of 93 minutes covered

Evening of Tuesday 12 September

Qualifies with 20 of 93 minutes. Not taken.

18:22 sunsetpradoṣa ends 19:56
Aṣṭamī ends 18:42:51
17:5818:2218:4619:1019:3419:5820:22

20 of 93 minutes covered, the first 20

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 16:19 on Mon 11 Sep to 18:43 on Tue 12 Sep.

    1933-09-11T08:19:03Z → 1933-09-12T10:42:51Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:24–19:56 on the 11th, 18:22–19:56 on the 12th.

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

  3. 03

    Rule

    Aṣṭamī must be present during pradoṣa. It covers 93 of 93 minutes on the 11th and 20 of 93 on the 12th.

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

  4. 04

    Tie-break

    Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

    priority: unstated → greater-coverage · margin 1222 s

  5. 05

    Ruling

    Jitāṣṭamī, Puning, 1933: Monday 11 September.

    confidence: boundary (tie-break-unstated)

Say it like this

In Puning, Jitāṣṭamī (Jitiya) 1933 falls on Monday 11 September. Aṣṭamī runs from 16:19 on Mon 11 Sep to 18:43 on Tue 12 Sep and covers all of pradoṣa that evening. It also reaches the next evening for 20 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/puning/festivals/1933/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 11 Sep
Ahargaṇa, classicalDisc centre, no refractionMon 11 Sep
compat-drikpanchangComparison profileMon 11 Sep
No institution has a recorded ruling for Puning.

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 11thCoveredSunset 12thCoveredRuled
Los Angeles00:19 → 02:4318:0592 min18:040 min11 Sep
Chicago03:19 → 05:4319:0791 min19:060 min11 Sep
Jersey City04:19 → 06:4319:1291 min19:110 min11 Sep
Port of Spain04:19 → 06:4318:0994 min18:090 min11 Sep
London09:19 → 11:4319:2589 min19:230 min11 Sep
Durban10:19 → 12:4317:4698 min17:460 min11 Sep
Dubai12:19 → 14:4318:2893 min18:260 min11 Sep
Delhi13:49 → 16:1318:3192 min18:300 min11 Sep
Kolkata13:49 → 16:1317:4493 min17:430 min11 Sep
Singapore15:39 → 18:0318:2595 min18:240 min11 Sep
Sydney18:19 → 20:4317:4362 min17:4498 min12 Sep
Suva20:19 → 22:4318:000 min18:0097 min12 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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