Ruling · Jitāṣṭamī (Jitiya) · 1916

Tuesday 19 September

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 313 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 Monday 18 September

Aṣṭamī is absent from pradoṣa. Not taken.

17:47 sunsetpradoṣa ends 19:20
17:2317:4718:1118:3518:5919:2319:47

0 of 93 minutes covered

Evening of Tuesday 19 September

Taken. The only evening Aṣṭamī reaches.

17:45 sunsetpradoṣa ends 19:18
17:2117:4518:0918:3318:5719:2119:45

93 of 93 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 00:32 on Tue 19 Sep to 02:45 on Wed 20 Sep.

    1916-09-18T16:32:12Z → 1916-09-19T18:44:34Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:47–19:20 on the 18th, 17:45–19:18 on the 19th.

    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 93 minutes on the 18th and 93 of 93 on the 19th.

    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 18754 s

  5. 05

    Ruling

    Jitāṣṭamī, Daqing, 1916: Tuesday 19 September.

    confidence: determinate

Say it like this

In Daqing, Jitāṣṭamī (Jitiya) 1916 falls on Tuesday 19 September. Aṣṭamī runs from 00:32 on Tue 19 Sep to 02:45 on Wed 20 Sep and covers all of pradoṣa that evening.

ahargana.org/daqing/festivals/1916/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 19 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 19 Sep
compat-drikpanchangComparison profileTue 19 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 18thCoveredSunset 19thCoveredRuled
Los Angeles08:32 → 10:4517:5594 min17:540 min18 Sep
Chicago10:32 → 12:4517:5593 min17:530 min18 Sep
Jersey City11:32 → 13:4518:0093 min17:590 min18 Sep
Port of Spain12:32 → 14:4518:0595 min18:040 min18 Sep
London17:32 → 19:4519:0992 min19:0638 min18 Sep
Durban18:32 → 20:4517:4953 min17:5096 min19 Sep
Dubai20:13 → 22:2618:010 min18:0094 min19 Sep
Delhi22:02 → 00:1518:230 min18:2294 min19 Sep
Kolkata22:02 → 00:1517:370 min17:3694 min19 Sep
Singapore23:32 → 01:4518:020 min18:0295 min19 Sep
Sydney02:32 → 04:4517:480 min17:4996 min19 Sep
Suva04:32 → 06:4518:010 min18:0196 min19 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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