Ruling · Mahānavamī · 2095

Saturday 8 October

Boundaryin Daqing, under the Rashtriya Panchang method. A threshold is only 2 min 00 s away. Say “contested”.

Decide it for

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Friday 7 October

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:04  11:52 madhyāhna ends
Navamī begins 11:53:48
10:1610:4011:0411:2811:5212:1612:40

0 of 48 minutes covered

Midday of Saturday 8 October

Taken. The only midday Navamī reaches.

madhyāhna begins 11:04  11:52 madhyāhna ends
Navamī ends 11:15:25
10:1610:4011:0411:2811:5212:1612:40

12 of 48 minutes covered, the first 12

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

How it was decided

  1. 01

    Aṅga

    Navamī runs from 11:54 on Fri 7 Oct to 11:15 on Sat 8 Oct.

    2095-10-07T03:53:48Z → 2095-10-08T03:15:26Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:04–11:52 on the 7th, 11:04–11:52 on the 8th.

    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 7th and 12 of 48 on the 8th.

    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 120 s < 300 s

  5. 05

    Ruling

    Mahānavamī, Daqing, 2095: Saturday 8 October.

    confidence: boundary (margin)

Say it like this

In Daqing, Mahānavamī 2095 falls on Saturday 8 October. Navamī runs from 11:54 on Fri 7 Oct to 11:15 on Sat 8 Oct and covers 12 of 48 minutes of madhyāhna that midday. It is 2 min 00 s from a threshold: treat the date as contested.

ahargana.org/daqing/festivals/2095/mahanavami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 8 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 8 Oct
compat-drikpanchangComparison profileFri 7 Oct
No institution has a recorded ruling for Daqing.

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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles20:54 → 20:1512:1748 min12:160 min7 Oct
Chicago22:54 → 22:1512:1448 min12:140 min7 Oct
Jersey City23:54 → 23:1512:2048 min12:200 min7 Oct
Port of Spain23:54 → 23:1511:3048 min11:300 min7 Oct
London04:54 → 04:1512:2448 min12:240 min7 Oct
Durban05:54 → 05:1511:2048 min11:200 min7 Oct
Dubai07:54 → 07:1511:4348 min11:420 min7 Oct
Delhi09:24 → 08:4511:4548 min11:450 min7 Oct
Kolkata09:24 → 08:4511:0148 min11:000 min7 Oct
Singapore11:54 → 11:1512:2948 min12:280 min7 Oct
Sydney14:54 → 14:1512:200 min12:1948 min8 Oct
Suva15:54 → 15:1511:310 min11:3048 min8 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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