Ruling · Jitāṣṭamī (Jitiya) · 1984

Tuesday 18 September

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 599 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 17 September

Aṣṭamī is absent from pradoṣa. Not taken.

17:48 sunsetpradoṣa ends 19:20
17:2417:4818:1218:3619:0019:2419:48

0 of 92 minutes covered

Evening of Tuesday 18 September

Taken. The only evening Aṣṭamī reaches.

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

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 05:20 on Tue 18 Sep to 05:30 on Wed 19 Sep.

    1984-09-17T21:19:31Z → 1984-09-18T21:30:21Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:48–19:20 on the 17th, 17:46–19:19 on the 18th.

    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 92 minutes on the 17th and 93 of 93 on the 18th.

    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 35947 s

  5. 05

    Ruling

    Jitāṣṭamī, Daqing, 1984: Tuesday 18 September.

    confidence: determinate

Say it like this

In Daqing, Jitāṣṭamī (Jitiya) 1984 falls on Tuesday 18 September. Aṣṭamī runs from 05:20 on Tue 18 Sep to 05:30 on Wed 19 Sep and covers all of pradoṣa that evening.

ahargana.org/daqing/festivals/1984/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 18 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 18 Sep
compat-drikpanchangComparison profileTue 18 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 17thCoveredSunset 18thCoveredRuled
Los Angeles14:20 → 14:3018:5694 min18:550 min17 Sep
Chicago16:20 → 16:3018:5693 min18:540 min17 Sep
Jersey City17:20 → 17:3019:0193 min19:000 min17 Sep
Port of Spain17:20 → 17:3018:0595 min18:040 min17 Sep
London22:20 → 22:3019:100 min19:0793 min18 Sep
Durban23:20 → 23:3017:490 min17:5096 min18 Sep
Dubai01:20 → 01:3018:200 min18:1994 min18 Sep
Delhi02:50 → 03:0018:240 min18:2294 min18 Sep
Kolkata02:50 → 03:0017:380 min17:3794 min18 Sep
Singapore05:20 → 05:3019:020 min19:0295 min18 Sep
Sydney07:20 → 07:3017:480 min17:4896 min18 Sep
Suva09:20 → 09:3018:010 min18:0196 min18 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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