Ruling · Mahānavamī · 2051

Saturday 14 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 435 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 13 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 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

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

How it was decided

  1. 01

    Aṅga

    Navamī runs from 20:14 on Fri 13 Oct to 19:43 on Sat 14 Oct.

    2051-10-13T12:14:14Z → 2051-10-14T11:42:31Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:40–12:28 on the 13th, 11:40–12:28 on the 14th.

    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 13th and 48 of 48 on the 14th.

    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 26070 s

  5. 05

    Ruling

    Mahānavamī, Baoding, 2051: Saturday 14 October.

    confidence: determinate

Say it like this

In Baoding, Mahānavamī 2051 falls on Saturday 14 October. Navamī runs from 20:14 on Fri 13 Oct to 19:43 on Sat 14 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2051/mahanavami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 14 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 14 Oct
compat-drikpanchangComparison profileSat 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 Angeles05:14 → 04:4312:1548 min12:150 min13 Oct
Chicago07:14 → 06:4312:1348 min12:120 min13 Oct
Jersey City08:14 → 07:4312:1848 min12:180 min13 Oct
Port of Spain08:14 → 07:4311:2848 min11:280 min13 Oct
London13:14 → 12:4312:220 min12:2220 min14 Oct
Durban14:14 → 13:4311:180 min11:1848 min14 Oct
Dubai16:14 → 15:4311:410 min11:4148 min14 Oct
Delhi17:44 → 17:1311:430 min11:4348 min14 Oct
Kolkata17:44 → 17:1310:590 min10:5948 min14 Oct
Singapore20:14 → 19:4312:270 min12:2748 min14 Oct
Sydney23:14 → 22:4312:180 min12:1848 min14 Oct
Suva00:14 → 23:4311:290 min11:2948 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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