Ruling · Mahānavamī · 1946

Friday 4 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 171 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 4 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 5 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 07:01 on Fri 4 Oct to 08:51 on Sat 5 Oct.

    1946-10-03T23:00:54Z → 1946-10-05T00:51:29Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 4th, 11:43–12:31 on the 5th.

    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 4th and 0 of 48 on the 5th.

    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 10262 s

  5. 05

    Ruling

    Mahānavamī, Baoding, 1946: Friday 4 October.

    confidence: determinate

Say it like this

In Baoding, Mahānavamī 1946 falls on Friday 4 October. Navamī runs from 07:01 on Fri 4 Oct to 08:51 on Sat 5 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1946/mahanavami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 4 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 4 Oct
compat-drikpanchangComparison profileFri 4 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 3rdCoveredMadhyāhna 5thCoveredRuled
Los Angeles15:01 → 16:5111:180 min11:170 min4 Oct
Chicago17:01 → 18:5111:150 min11:150 min4 Oct
Jersey City18:01 → 19:5111:210 min11:210 min4 Oct
Port of Spain19:01 → 20:5111:310 min11:310 min4 Oct
London00:01 → 01:5112:250 min12:250 min4 Oct
Durban01:01 → 02:5111:210 min11:210 min4 Oct
Dubai03:01 → 04:5111:440 min11:430 min4 Oct
Delhi04:31 → 06:2111:460 min11:460 min4 Oct
Kolkata04:31 → 06:2111:020 min11:010 min4 Oct
Singapore06:31 → 08:2112:000 min11:590 min4 Oct
Sydney09:01 → 10:5111:210 min11:200 min4 Oct
Suva11:01 → 12:5111:320 min11:3148 min4 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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