Ruling · Durgā Navamī · 1906

Thursday 25 October

Determinatein Linyi, under the Rashtriya Panchang method. Clear of every threshold by 134 minutes.

Decide it for

LinyiDelhiKolkataSingaporeSydneyJersey City

35°04′ N 118°21′ E · Asia/Shanghai · GeoNames 1803318

The two middays

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

Midday of Thursday 25 October

Taken. The only midday Navamī reaches.

madhyāhna begins 11:27  12:15 madhyāhna ends
10:3911:0311:2711:5112:1512:3913:03

48 of 48 minutes covered

Midday of Friday 26 October

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:27  12:15 madhyāhna ends
10:3911:0311:2711:5112:1512:3913:03

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Navamī runs from 09:13 on Thu 25 Oct to 08:24 on Fri 26 Oct.

    1906-10-25T01:13:07Z → 1906-10-26T00:23:59Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:27–12:15 on the 25th, 11:27–12:15 on the 26th.

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

  3. 03

    Rule

    Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 25th and 0 of 48 on the 26th.

    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: purvaviddha → only-day · margin 8014 s

  5. 05

    Ruling

    Durgā Navamī, Linyi, 1906: Thursday 25 October.

    confidence: determinate

Say it like this

In Linyi, Durgā Navamī 1906 falls on Thursday 25 October. Navamī runs from 09:13 on Thu 25 Oct to 08:24 on Fri 26 Oct and covers all of madhyāhna that midday.

ahargana.org/linyi/festivals/1906/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 25 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 25 Oct
compat-drikpanchangComparison profileThu 25 Oct
No institution has a recorded ruling for Linyi.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/durga-navami · ruleset 2026.3-draft

Month
Kārtika, amānta
Pakṣa · aṅga
Śukla · Navamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 104

“S 9 Aksaya navami (purvahnavyapini), Jagaddhatri puja (Bengal), (udayavyapini one muhurta), Anla navami (Orissa), Durga navami (purvaviddha), Gauri vrata.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceNavamīMadhyāhna 25thCoveredMadhyāhna 26thCoveredRuled
Los Angeles17:13 → 16:2411:1348 min11:130 min25 Oct
Chicago19:13 → 18:2411:1148 min11:100 min25 Oct
Jersey City20:13 → 19:2411:1648 min11:160 min25 Oct
Port of Spain21:13 → 20:2411:2648 min11:260 min25 Oct
London01:13 → 00:2411:2048 min11:200 min25 Oct
Durban03:13 → 02:2411:1648 min11:160 min25 Oct
Dubai04:54 → 04:0511:2048 min11:200 min25 Oct
Delhi06:43 → 05:5411:4148 min11:410 min25 Oct
Kolkata06:43 → 05:5410:5748 min10:570 min25 Oct
Singapore08:13 → 07:2411:2548 min11:250 min25 Oct
Sydney11:13 → 10:2411:1648 min11:160 min25 Oct
Suva13:08 → 12:1911:220 min11:2248 min26 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
durga-navami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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