Ruling · Mahānavamī · 1993

Saturday 23 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 300 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 Saturday 23 October

Taken. The only midday Navamī reaches.

madhyāhna begins 11:38  12:26 madhyāhna ends
10:5011:1411:3812:0212:2612:5013:14

48 of 48 minutes covered

Midday of Sunday 24 October

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:38  12:26 madhyāhna ends
10:5011:1411:3812:0212:2612:5013:14

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 05:18 on Sat 23 Oct to 06:38 on Sun 24 Oct.

    1993-10-22T21:17:48Z → 1993-10-23T22:38:10Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 23rd, 11:38–12:26 on the 24th.

    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 23rd and 0 of 48 on the 24th.

    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 17999 s

  5. 05

    Ruling

    Mahānavamī, Baoding, 1993: Saturday 23 October.

    confidence: determinate

Say it like this

In Baoding, Mahānavamī 1993 falls on Saturday 23 October. Navamī runs from 05:18 on Sat 23 Oct to 06:38 on Sun 24 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1993/mahanavami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 23 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 23 Oct
compat-drikpanchangComparison profileSat 23 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 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles14:18 → 15:3812:130 min12:1348 min23 Oct
Chicago16:18 → 17:3812:110 min12:1148 min23 Oct
Jersey City17:18 → 18:3812:160 min12:1648 min23 Oct
Port of Spain17:18 → 18:3811:260 min11:2648 min23 Oct
London22:18 → 23:3812:210 min12:2048 min23 Oct
Durban23:18 → 00:3811:170 min11:1648 min23 Oct
Dubai01:18 → 02:3811:390 min11:3948 min23 Oct
Delhi02:48 → 04:0811:410 min11:4148 min23 Oct
Kolkata02:48 → 04:0810:570 min10:5748 min23 Oct
Singapore05:18 → 06:3812:250 min12:2548 min23 Oct
Sydney07:18 → 08:3811:160 min11:1648 min23 Oct
Suva09:18 → 10:3811:270 min11:2748 min23 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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