Ruling · Mahānavamī · 2098

Friday 3 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 407 minutes.

Decide it for

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 3 October

Taken. The only midday Navamī reaches.

madhyāhna begins 11:43  12:31 madhyāhna ends
10:5511:1911:4312:0712:3112:5513:19

48 of 48 minutes covered

Midday of Saturday 4 October

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:43  12:31 madhyāhna ends
10:5511:1911:4312:0712:3112:5513:19

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 02:46 on Fri 3 Oct to 04:56 on Sat 4 Oct.

    2098-10-02T18:46:04Z → 2098-10-03T20:56:23Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 3rd, 11:43–12:31 on the 4th.

    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 3rd and 0 of 48 on the 4th.

    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 24390 s

  5. 05

    Ruling

    Mahānavamī, Baoding, 2098: Friday 3 October.

    confidence: determinate

Say it like this

In Baoding, Mahānavamī 2098 falls on Friday 3 October. Navamī runs from 02:46 on Fri 3 Oct to 04:56 on Sat 4 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2098/mahanavami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 3 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 3 Oct
compat-drikpanchangComparison profileFri 3 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 2ndCoveredMadhyāhna 3rdCoveredRuled
Los Angeles11:46 → 13:5612:1848 min12:1848 min2 Oct
Chicago13:46 → 15:5612:160 min12:1548 min3 Oct
Jersey City14:46 → 16:5612:210 min12:2148 min3 Oct
Port of Spain14:46 → 16:5611:320 min11:3148 min3 Oct
London19:46 → 21:5612:260 min12:2548 min3 Oct
Durban20:46 → 22:5611:220 min11:2148 min3 Oct
Dubai22:46 → 00:5611:440 min11:4448 min3 Oct
Delhi00:16 → 02:2611:460 min11:4648 min3 Oct
Kolkata00:16 → 02:2611:020 min11:0248 min3 Oct
Singapore02:46 → 04:5612:300 min12:3048 min3 Oct
Sydney04:46 → 06:5611:210 min11:2148 min3 Oct
Suva06:46 → 08:5611:320 min11:3248 min3 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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