Ruling · Jitāṣṭamī (Jitiya) · 2013

Friday 27 September

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 216 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 Thursday 26 September

Aṣṭamī is absent from pradoṣa. Not taken.

17:30 sunsetpradoṣa ends 19:06
17:0617:3017:5418:1818:4219:0619:30

0 of 96 minutes covered

Evening of Friday 27 September

Taken. The only evening Aṣṭamī reaches.

17:28 sunsetpradoṣa ends 19:05
17:0417:2817:5218:1618:4019:0419:28

97 of 97 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 22:42 on Thu 26 Sep to 01:10 on Sat 28 Sep.

    2013-09-26T14:42:18Z → 2013-09-27T17:09:46Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:30–19:06 on the 26th, 17:28–19:05 on the 27th.

    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 96 minutes on the 26th and 97 of 97 on the 27th.

    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 12951 s

  5. 05

    Ruling

    Jitāṣṭamī, Daqing, 2013: Friday 27 September.

    confidence: determinate

Say it like this

In Daqing, Jitāṣṭamī (Jitiya) 2013 falls on Friday 27 September. Aṣṭamī runs from 22:42 on Thu 26 Sep to 01:10 on Sat 28 Sep and covers all of pradoṣa that evening.

ahargana.org/daqing/festivals/2013/jitashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 27 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 27 Sep
compat-drikpanchangComparison profileFri 27 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 26thCoveredSunset 27thCoveredRuled
Los Angeles07:42 → 10:1018:4396 min18:420 min26 Sep
Chicago09:42 → 12:1018:4096 min18:380 min26 Sep
Jersey City10:42 → 13:1018:4696 min18:440 min26 Sep
Port of Spain10:42 → 13:1017:5995 min17:590 min26 Sep
London15:42 → 18:1018:4997 min18:470 min26 Sep
Durban16:42 → 19:1017:5494 min17:5575 min26 Sep
Dubai18:42 → 21:1018:1164 min18:1096 min27 Sep
Delhi20:12 → 22:4018:130 min18:1296 min27 Sep
Kolkata20:12 → 22:4017:290 min17:2896 min27 Sep
Singapore22:42 → 01:1018:590 min18:5895 min27 Sep
Sydney00:42 → 03:1017:540 min17:5594 min27 Sep
Suva02:42 → 05:1018:030 min18:0394 min27 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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