Ruling · Mahānavamī · 2092

Thursday 9 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 445 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

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

Midday of Wednesday 8 October

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:42  12:30 madhyāhna ends
10:5411:1811:4212:0612:3012:5413:18

0 of 48 minutes covered

Midday of Thursday 9 October

Taken. The only midday Navamī reaches.

madhyāhna begins 11:41  12:29 madhyāhna ends
10:5311:1711:4112:0512:2912:5313:17

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 21:25 on Wed 8 Oct to 19:55 on Thu 9 Oct.

    2092-10-08T13:24:45Z → 2092-10-09T11:54:34Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:42–12:30 on the 8th, 11:41–12:29 on the 9th.

    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 8th and 48 of 48 on the 9th.

    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 26718 s

  5. 05

    Ruling

    Mahānavamī, Baoding, 2092: Thursday 9 October.

    confidence: determinate

Say it like this

In Baoding, Mahānavamī 2092 falls on Thursday 9 October. Navamī runs from 21:25 on Wed 8 Oct to 19:55 on Thu 9 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2092/mahanavami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 9 Oct
Ahargaṇa, classicalDisc centre, no refractionThu 9 Oct
compat-drikpanchangComparison profileThu 9 Oct
No institution has a recorded ruling for Baoding.

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

The rule, as data

/rules/mahanavami · ruleset 2026.3-draft

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

“S 9 Mahanavami (purvaviddha) (In Bengal it is observed as paraviddha covering one muhurta from sunrise).” 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.

PlaceNavamīMadhyāhna 8thCoveredMadhyāhna 9thCoveredRuled
Los Angeles06:25 → 04:5512:1648 min12:160 min8 Oct
Chicago08:25 → 06:5512:1448 min12:140 min8 Oct
Jersey City09:25 → 07:5512:2048 min12:190 min8 Oct
Port of Spain09:25 → 07:5511:3048 min11:290 min8 Oct
London14:25 → 12:5512:240 min12:2331 min9 Oct
Durban15:25 → 13:5511:200 min11:1948 min9 Oct
Dubai17:25 → 15:5511:420 min11:4248 min9 Oct
Delhi18:55 → 17:2511:450 min11:4448 min9 Oct
Kolkata18:55 → 17:2511:000 min11:0048 min9 Oct
Singapore21:25 → 19:5512:280 min12:2848 min9 Oct
Sydney00:25 → 22:5512:190 min12:1948 min9 Oct
Suva01:25 → 23:5511:300 min11:3048 min9 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
mahanavami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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