Ruling · Vijayā Daśamī (Dussehra) · 1906

Thursday 27 September

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 177 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Wednesday 26 September

Daśamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:07  11:55 madhyāhna ends
10:1910:4311:0711:3111:5512:1912:43

0 of 48 minutes covered

Midday of Thursday 27 September

Taken. The only midday Daśamī reaches.

madhyāhna begins 11:07  11:55 madhyāhna ends
10:1910:4311:0711:3111:5512:1912:43

48 of 48 minutes covered

Daśamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Daśamī runs from 23:34 on Wed 26 Sep to 22:14 on Thu 27 Sep.

    1906-09-26T15:33:51Z → 1906-09-27T14:13:36Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:07–11:55 on the 26th, 11:07–11:55 on the 27th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Daśamī touches Śravaṇa in the day time on neither day, so the rest of the rule applies. Daśamī must be present during madhyāhna. It covers 0 of 48 minutes on the 26th and 48 of 48 on the 27th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 10636 s

  5. 05

    Ruling

    Vijayā Daśamī, Daqing, 1906: Thursday 27 September.

    confidence: determinate

Say it like this

In Daqing, Vijayā Daśamī (Dussehra) 1906 falls on Thursday 27 September. Daśamī touches Śravaṇa in the day time on neither day, so madhyāhna decides. Daśamī runs from 23:34 on Wed 26 Sep to 22:14 on Thu 27 Sep and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/1906/vijaya-dashami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 27 Sep
Ahargaṇa, classicalDisc centre, no refractionThu 27 Sep
compat-drikpanchangComparison profileThu 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/vijaya-dashami · ruleset 2026.3-draft

Month
Āśvina, amānta
Pakṣa · aṅga
Śukla · Daśamī
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
First
With Śravaṇa in the day time

“S 10 Vijaya dasami (In Bengal it is observed as paraviddha, covering one muhurta from sunrise. In other places, if it touches Sravana naksatra in the day time it is observed on that day), Sarasvati visarjana (to be observed in naksatra Sravana), Dasahara.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104. The Bengal reading (paraviddha, one muhūrta from sunrise) is not applied.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceDaśamīMadhyāhna 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles07:34 → 06:1411:2048 min11:200 min27 Sep
Chicago09:34 → 08:1411:1848 min11:170 min27 Sep
Jersey City10:34 → 09:1411:2348 min11:230 min27 Sep
Port of Spain11:34 → 10:1411:3448 min11:330 min27 Sep
London15:34 → 14:1411:280 min11:2748 min27 Sep
Durban17:34 → 16:1411:240 min11:2348 min27 Sep
Dubai19:15 → 17:5511:270 min11:2748 min27 Sep
Delhi21:04 → 19:4411:490 min11:4848 min27 Sep
Kolkata21:04 → 19:4411:040 min11:0448 min27 Sep
Singapore22:34 → 21:1411:320 min11:3248 min27 Sep
Sydney01:34 → 00:1411:230 min11:2348 min27 Sep
Suva03:29 → 02:0911:290 min11:2948 min27 Sep
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vijaya-dashami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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