Ruling · Jitāṣṭamī (Jitiya) · 1913

Tuesday 23 September

Determinatein Harbin, under the Rashtriya Panchang method. Clear of every threshold by 533 minutes.

Decide it for

45°45′ N 126°39′ E · Asia/Shanghai · GeoNames 2037013

The two evenings

One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.

Evening of Tuesday 23 September

Taken. The only evening Aṣṭamī reaches.

17:31 sunsetpradoṣa ends 19:06
17:0717:3117:5518:1918:4319:0719:31

95 of 95 minutes covered

Evening of Wednesday 24 September

Aṣṭamī is absent from pradoṣa. Not taken.

17:29 sunsetpradoṣa ends 19:04
17:0517:2917:5318:1718:4119:0519:29

0 of 95 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 08:38 on Tue 23 Sep to 08:10 on Wed 24 Sep.

    1913-09-23T00:38:21Z → 1913-09-24T00:10:24Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:31–19:06 on the 23rd, 17:29–19:04 on the 24th.

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

  3. 03

    Rule

    Aṣṭamī must be present during pradoṣa. It covers 95 of 95 minutes on the 23rd and 0 of 95 on the 24th.

    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 31950 s

  5. 05

    Ruling

    Jitāṣṭamī, Harbin, 1913: Tuesday 23 September.

    confidence: determinate

Say it like this

In Harbin, Jitāṣṭamī (Jitiya) 1913 falls on Tuesday 23 September. Aṣṭamī runs from 08:38 on Tue 23 Sep to 08:10 on Wed 24 Sep and covers all of pradoṣa that evening.

ahargana.org/harbin/festivals/1913/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 23 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 23 Sep
compat-drikpanchangComparison profileTue 23 Sep
No institution has a recorded ruling for Harbin.

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 23rdCoveredSunset 24thCoveredRuled
Los Angeles16:38 → 16:1017:490 min17:470 min22 Sep
Chicago18:38 → 18:1017:4724 min17:450 min22 Sep
Jersey City19:38 → 19:1017:5278 min17:510 min23 Sep
Port of Spain20:38 → 20:1018:0295 min18:010 min23 Sep
London00:38 → 00:1017:5895 min17:550 min23 Sep
Durban02:38 → 02:1017:5295 min17:520 min23 Sep
Dubai04:19 → 03:5117:5695 min17:550 min23 Sep
Delhi06:08 → 05:4018:1795 min18:160 min23 Sep
Kolkata06:08 → 05:4017:3395 min17:320 min23 Sep
Singapore07:38 → 07:1018:0095 min18:000 min23 Sep
Sydney10:38 → 10:1017:5195 min17:520 min23 Sep
Suva12:33 → 12:0517:5795 min17:570 min23 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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