Ruling · Mahānavamī · 2040

Sunday 14 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 484 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 Sunday 14 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

Midday of Monday 15 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

Navamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Navamī runs from 03:36 on Sun 14 Oct to 01:20 on Mon 15 Oct.

    2040-10-13T19:36:16Z → 2040-10-14T17:19:43Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 14th, 11:40–12:28 on the 15th.

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

  3. 03

    Rule

    Navamī must be present during madhyāhna. It covers 48 of 48 minutes on the 14th and 0 of 48 on the 15th.

    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 29013 s

  5. 05

    Ruling

    Mahānavamī, Baoding, 2040: Sunday 14 October.

    confidence: determinate

Say it like this

In Baoding, Mahānavamī 2040 falls on Sunday 14 October. Navamī runs from 03:36 on Sun 14 Oct to 01:20 on Mon 15 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2040/mahanavami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 14 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 14 Oct
compat-drikpanchangComparison profileSun 14 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 13thCoveredMadhyāhna 14thCoveredRuled
Los Angeles12:36 → 10:2012:1526 min12:150 min13 Oct
Chicago14:36 → 12:2012:120 min12:128 min14 Oct
Jersey City15:36 → 13:2012:180 min12:1848 min14 Oct
Port of Spain15:36 → 13:2011:280 min11:2848 min14 Oct
London20:36 → 18:2012:220 min12:2248 min14 Oct
Durban21:36 → 19:2011:180 min11:1848 min14 Oct
Dubai23:36 → 21:2011:410 min11:4148 min14 Oct
Delhi01:06 → 22:5011:430 min11:4348 min14 Oct
Kolkata01:06 → 22:5010:590 min10:5848 min14 Oct
Singapore03:36 → 01:2012:270 min12:2748 min14 Oct
Sydney06:36 → 04:2012:180 min12:1748 min14 Oct
Suva07:36 → 05:2011:290 min11:2848 min14 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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