Ruling · Durgā Navamī · 2085

Saturday 27 October

Determinatein Thāne, under the Rashtriya Panchang method. Clear of every threshold by 251 minutes.

Decide it for

ThāneDelhiKolkataSingaporeSydneyJersey City

19°12′ N 72°58′ E · Asia/Kolkata · GeoNames 1254661

The two middays

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

Midday of Friday 26 October

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

0 of 48 minutes covered

Midday of Saturday 27 October

Taken. The only midday Navamī reaches.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

48 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 19:09 on Fri 26 Oct to 16:57 on Sat 27 Oct.

    2085-10-26T13:38:47Z → 2085-10-27T11:27:08Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 26th, 11:58–12:46 on the 27th.

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

  3. 03

    Rule

    Navamī 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: purvaviddha → only-day · margin 15062 s

  5. 05

    Ruling

    Durgā Navamī, Thāne, 2085: Saturday 27 October.

    confidence: determinate

Say it like this

In Thāne, Durgā Navamī 2085 falls on Saturday 27 October. Navamī runs from 19:09 on Fri 26 Oct to 16:57 on Sat 27 Oct and covers all of madhyāhna that midday.

ahargana.org/thane/festivals/2085/durga-navami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 27 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 27 Oct
compat-drikpanchangComparison profileSat 27 Oct
No institution has a recorded ruling for Thāne.

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 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles06:39 → 04:2712:1348 min12:130 min26 Oct
Chicago08:39 → 06:2712:1048 min12:100 min26 Oct
Jersey City09:39 → 07:2712:1648 min12:160 min26 Oct
Port of Spain09:39 → 07:2711:2648 min11:260 min26 Oct
London14:39 → 12:2712:200 min12:207 min27 Oct
Durban15:39 → 13:2711:160 min11:1648 min27 Oct
Dubai17:39 → 15:2711:390 min11:3948 min27 Oct
Delhi19:09 → 16:5711:410 min11:4148 min27 Oct
Kolkata19:09 → 16:5710:570 min10:5648 min27 Oct
Singapore21:39 → 19:2712:250 min12:2548 min27 Oct
Sydney00:39 → 22:2712:160 min12:1648 min27 Oct
Suva01:39 → 23:2711:270 min11:2748 min27 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

About Ahargaṇa