Ruling · Jitāṣṭamī (Jitiya) · 1988

Sunday 2 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 226 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 Sunday 2 October

Taken. The only evening Aṣṭamī reaches.

17:18 sunsetpradoṣa ends 18:57
16:5417:1817:4218:0618:3018:5419:18

99 of 99 minutes covered

Evening of Monday 3 October

Aṣṭamī is absent from pradoṣa. Not taken.

17:16 sunsetpradoṣa ends 18:56
16:5217:1617:4018:0418:2818:5219:16

0 of 100 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 12:39 on Sun 2 Oct to 13:30 on Mon 3 Oct.

    1988-10-02T04:38:45Z → 1988-10-03T05:29:54Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:18–18:57 on the 2nd, 17:16–18:56 on the 3rd.

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

  3. 03

    Rule

    Aṣṭamī must be present during pradoṣa. It covers 99 of 99 minutes on the 2nd and 0 of 100 on the 3rd.

    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 13573 s

  5. 05

    Ruling

    Jitāṣṭamī, Daqing, 1988: Sunday 2 October.

    confidence: determinate

Say it like this

In Daqing, Jitāṣṭamī (Jitiya) 1988 falls on Sunday 2 October. Aṣṭamī runs from 12:39 on Sun 2 Oct to 13:30 on Mon 3 Oct and covers all of pradoṣa that evening.

ahargana.org/daqing/festivals/1988/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 2 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 2 Oct
compat-drikpanchangComparison profileSun 2 Oct
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 2ndCoveredSunset 3rdCoveredRuled
Los Angeles21:39 → 22:3018:3598 min18:340 min2 Oct
Chicago23:39 → 00:3018:3099 min18:280 min2 Oct
Jersey City00:39 → 01:3018:3699 min18:340 min2 Oct
Port of Spain00:39 → 01:3017:5596 min17:550 min2 Oct
London05:39 → 06:3018:35100 min18:330 min2 Oct
Durban06:39 → 07:3017:5893 min17:580 min2 Oct
Dubai08:39 → 09:3018:0497 min18:030 min2 Oct
Delhi10:09 → 11:0018:0697 min18:040 min2 Oct
Kolkata10:09 → 11:0017:2397 min17:220 min2 Oct
Singapore12:39 → 13:3018:5795 min18:560 min2 Oct
Sydney14:39 → 15:3017:5892 min17:590 min2 Oct
Suva16:39 → 17:3018:0494 min18:040 min2 Oct
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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