Ruling · Mahānavamī · 1943

Friday 8 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 37 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 Thursday 7 October

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 12:42  13:30 madhyāhna ends
11:5412:1812:4213:0613:3013:5414:18

0 of 48 minutes covered

Midday of Friday 8 October

Taken. The only midday Navamī reaches.

madhyāhna begins 12:42  13:30 madhyāhna ends
Navamī ends 14:07:10
11:5412:1812:4213:0613:3013:5414:18

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 16:13 on Thu 7 Oct to 14:07 on Fri 8 Oct.

    1943-10-07T07:13:26Z → 1943-10-08T05:07:11Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:42–13:30 on the 7th, 12:42–13:30 on the 8th.

    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 7th and 48 of 48 on the 8th.

    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 2247 s

  5. 05

    Ruling

    Mahānavamī, Baoding, 1943: Friday 8 October.

    confidence: determinate

Say it like this

In Baoding, Mahānavamī 1943 falls on Friday 8 October. Navamī runs from 16:13 on Thu 7 Oct to 14:07 on Fri 8 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1943/mahanavami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 8 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 8 Oct
compat-drikpanchangComparison profileFri 8 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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles00:13 → 22:0712:1748 min12:160 min7 Oct
Chicago02:13 → 00:0712:1448 min12:140 min7 Oct
Jersey City03:13 → 01:0712:2048 min12:200 min7 Oct
Port of Spain04:13 → 02:0712:3048 min12:300 min7 Oct
London08:13 → 06:0712:2448 min12:240 min7 Oct
Durban10:13 → 08:0712:2048 min12:200 min7 Oct
Dubai11:13 → 09:0711:4348 min11:420 min7 Oct
Delhi13:43 → 11:3712:450 min12:450 min8 Oct
Kolkata13:43 → 11:3712:010 min12:000 min8 Oct
Singapore16:13 → 14:0713:290 min13:2839 min8 Oct
Sydney18:13 → 16:0712:200 min12:1948 min8 Oct
Suva19:13 → 17:0711:310 min11:3048 min8 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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