Ruling · Mahānavamī · 1956

Saturday 13 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 210 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 Friday 12 October

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:40  12:28 madhyāhna ends
10:5211:1611:4012:0412:2812:5213:16

0 of 48 minutes covered

Midday of Saturday 13 October

Taken. The only midday Navamī reaches.

madhyāhna begins 11:40  12:28 madhyāhna ends
10:5211:1611:4012:0412:2812:5213:16

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 15:58 on Fri 12 Oct to 18:28 on Sat 13 Oct.

    1956-10-12T07:58:28Z → 1956-10-13T10:27:56Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 12th, 11:40–12:28 on the 13th.

    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 12th and 48 of 48 on the 13th.

    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 12601 s

  5. 05

    Ruling

    Mahānavamī, Baoding, 1956: Saturday 13 October.

    confidence: determinate

Say it like this

In Baoding, Mahānavamī 1956 falls on Saturday 13 October. Navamī runs from 15:58 on Fri 12 Oct to 18:28 on Sat 13 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1956/mahanavami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 13 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 13 Oct
compat-drikpanchangComparison profileSat 13 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 12thCoveredMadhyāhna 13thCoveredRuled
Los Angeles23:58 → 02:2811:1548 min11:150 min12 Oct
Chicago02:58 → 05:2812:1348 min12:120 min12 Oct
Jersey City03:58 → 06:2812:1848 min12:180 min12 Oct
Port of Spain03:58 → 06:2811:2848 min11:280 min12 Oct
London07:58 → 10:2811:2348 min11:220 min12 Oct
Durban09:58 → 12:2811:1948 min11:1848 min12 Oct
Dubai11:58 → 14:2811:4131 min11:4148 min12 Oct
Delhi13:28 → 15:5811:430 min11:4348 min13 Oct
Kolkata13:28 → 15:5810:590 min10:5948 min13 Oct
Singapore15:28 → 17:5811:570 min11:5748 min13 Oct
Sydney17:58 → 20:2811:180 min11:1848 min13 Oct
Suva19:58 → 22:2811:290 min11:2948 min13 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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