Ruling · Jitāṣṭamī (Jitiya) · 1941

Saturday 13 September

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 87 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 13 September

Taken. The only evening Aṣṭamī reaches.

18:57 sunsetpradoṣa ends 20:27
18:3318:5719:2119:4520:0920:3320:57

90 of 90 minutes covered

Evening of Sunday 14 September

Aṣṭamī is absent from pradoṣa. Not taken.

18:55 sunsetpradoṣa ends 20:26
18:3118:5519:1919:4320:0720:3120:55

0 of 91 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 15:28 on Sat 13 Sep to 17:29 on Sun 14 Sep.

    1941-09-13T06:27:31Z → 1941-09-14T08:28:31Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:57–20:27 on the 13th, 18:55–20:26 on the 14th.

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

  3. 03

    Rule

    Aṣṭamī must be present during pradoṣa. It covers 90 of 90 minutes on the 13th and 0 of 91 on the 14th.

    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 5191 s

  5. 05

    Ruling

    Jitāṣṭamī, Daqing, 1941: Saturday 13 September.

    confidence: determinate

Say it like this

In Daqing, Jitāṣṭamī (Jitiya) 1941 falls on Saturday 13 September. Aṣṭamī runs from 15:28 on Sat 13 Sep to 17:29 on Sun 14 Sep and covers all of pradoṣa that evening.

ahargana.org/daqing/festivals/1941/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 13 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 13 Sep
compat-drikpanchangComparison profileSat 13 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 13thCoveredSunset 14thCoveredRuled
Los Angeles22:28 → 00:2918:0292 min18:010 min13 Sep
Chicago01:28 → 03:2919:0491 min19:020 min13 Sep
Jersey City02:28 → 04:2919:0992 min19:070 min13 Sep
Port of Spain02:28 → 04:2918:0894 min18:070 min13 Sep
London07:28 → 09:2919:2090 min19:180 min13 Sep
Durban08:28 → 10:2917:4797 min17:470 min13 Sep
Dubai10:28 → 12:2918:2593 min18:240 min13 Sep
Delhi11:58 → 13:5918:2993 min18:280 min13 Sep
Kolkata11:58 → 13:5917:4293 min17:410 min13 Sep
Singapore13:58 → 15:5918:3495 min18:340 min13 Sep
Sydney16:28 → 18:2917:4498 min17:4543 min13 Sep
Suva18:28 → 20:2918:0069 min18:0196 min14 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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