Ruling · Jitāṣṭamī (Jitiya) · 2031

Wednesday 8 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 541 minutes.

Decide it for

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 Wednesday 8 October

Taken. The only evening Aṣṭamī reaches.

17:07 sunsetpradoṣa ends 18:49
16:4317:0717:3117:5518:1918:4319:07

102 of 102 minutes covered

Evening of Thursday 9 October

Aṣṭamī is absent from pradoṣa. Not taken.

17:05 sunsetpradoṣa ends 18:47
16:4117:0517:2917:5318:1718:4119:05

0 of 102 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 05:37 on Wed 8 Oct to 08:05 on Thu 9 Oct.

    2031-10-07T21:37:29Z → 2031-10-09T00:04:49Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:07–18:49 on the 8th, 17:05–18:47 on the 9th.

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

  3. 03

    Rule

    Aṣṭamī must be present during pradoṣa. It covers 102 of 102 minutes on the 8th and 0 of 102 on the 9th.

    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 32432 s

  5. 05

    Ruling

    Jitāṣṭamī, Daqing, 2031: Wednesday 8 October.

    confidence: determinate

Say it like this

In Daqing, Jitāṣṭamī (Jitiya) 2031 falls on Wednesday 8 October. Aṣṭamī runs from 05:37 on Wed 8 Oct to 08:05 on Thu 9 Oct and covers all of pradoṣa that evening.

ahargana.org/daqing/festivals/2031/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 8 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 8 Oct
compat-drikpanchangComparison profileWed 8 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 7thCoveredSunset 9thCoveredRuled
Los Angeles14:37 → 17:0518:2999 min18:260 min7 Oct
Chicago16:37 → 19:0518:22100 min18:190 min7 Oct
Jersey City17:37 → 20:0518:28100 min18:250 min7 Oct
Port of Spain17:37 → 20:0517:5396 min17:520 min8 Oct
London22:37 → 01:0518:250 min18:210 min8 Oct
Durban23:37 → 02:0518:000 min18:010 min8 Oct
Dubai01:37 → 04:0518:000 min17:580 min8 Oct
Delhi03:07 → 05:3518:000 min17:580 min8 Oct
Kolkata03:07 → 05:3517:190 min17:170 min8 Oct
Singapore05:37 → 08:0518:550 min18:540 min8 Oct
Sydney08:37 → 11:0519:020 min19:030 min8 Oct
Suva09:37 → 12:0518:050 min18:050 min8 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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