Ruling · Mahānavamī · 1984

Wednesday 3 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 333 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 Tuesday 2 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

Midday of Wednesday 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

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

How it was decided

  1. 01

    Aṅga

    Navamī runs from 18:05 on Tue 2 Oct to 18:59 on Wed 3 Oct.

    1984-10-02T10:04:31Z → 1984-10-03T10:58:31Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 2nd, 11:43–12:31 on the 3rd.

    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 2nd and 48 of 48 on the 3rd.

    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 19999 s

  5. 05

    Ruling

    Mahānavamī, Baoding, 1984: Wednesday 3 October.

    confidence: determinate

Say it like this

In Baoding, Mahānavamī 1984 falls on Wednesday 3 October. Navamī runs from 18:05 on Tue 2 Oct to 18:59 on Wed 3 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1984/mahanavami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 3 Oct
Ahargaṇa, classicalDisc centre, no refractionWed 3 Oct
compat-drikpanchangComparison profileWed 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 Angeles03:05 → 03:5912:1848 min12:180 min2 Oct
Chicago05:05 → 05:5912:1548 min12:150 min2 Oct
Jersey City06:05 → 06:5912:2148 min12:210 min2 Oct
Port of Spain06:05 → 06:5911:3148 min11:310 min2 Oct
London11:05 → 11:5912:2548 min12:250 min2 Oct
Durban12:05 → 12:5911:215 min11:2148 min2 Oct
Dubai14:05 → 14:5911:440 min11:4448 min3 Oct
Delhi15:35 → 16:2911:460 min11:4648 min3 Oct
Kolkata15:35 → 16:2911:020 min11:0148 min3 Oct
Singapore18:05 → 18:5912:300 min12:3048 min3 Oct
Sydney20:05 → 20:5911:210 min11:2148 min3 Oct
Suva22:05 → 22:5911:320 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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