Ruling · Mahānavamī · 2024

Saturday 12 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 61 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 11 October

Navamī is absent from madhyāhna. Not taken.

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

0 of 48 minutes covered

Midday of Saturday 12 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 14:37 on Fri 11 Oct to 13:29 on Sat 12 Oct.

    2024-10-11T06:37:14Z → 2024-10-12T05:29:01Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:41–12:29 on the 11th, 11:40–12:28 on the 12th.

    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 11th and 48 of 48 on the 12th.

    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 3643 s

  5. 05

    Ruling

    Mahānavamī, Baoding, 2024: Saturday 12 October.

    confidence: determinate

Say it like this

In Baoding, Mahānavamī 2024 falls on Saturday 12 October. Navamī runs from 14:37 on Fri 11 Oct to 13:29 on Sat 12 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2024/mahanavami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 12 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 12 Oct
compat-drikpanchangComparison profileSat 12 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 11thCoveredMadhyāhna 12thCoveredRuled
Los Angeles23:37 → 22:2912:1548 min12:150 min11 Oct
Chicago01:37 → 00:2912:1348 min12:130 min11 Oct
Jersey City02:37 → 01:2912:1948 min12:180 min11 Oct
Port of Spain02:37 → 01:2911:2948 min11:280 min11 Oct
London07:37 → 06:2912:2348 min12:220 min11 Oct
Durban08:37 → 07:2911:1948 min11:180 min11 Oct
Dubai10:37 → 09:2911:4148 min11:410 min11 Oct
Delhi12:07 → 10:5911:4424 min11:430 min11 Oct
Kolkata12:07 → 10:5910:590 min10:590 min12 Oct
Singapore14:37 → 13:2912:270 min12:2748 min12 Oct
Sydney17:37 → 16:2912:180 min12:1848 min12 Oct
Suva18:37 → 17:2911:290 min11:2948 min12 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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