Ruling · Mahānavamī · 1955

Tuesday 25 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 456 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 Monday 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

Midday of Tuesday 25 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

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

How it was decided

  1. 01

    Aṅga

    Navamī runs from 20:02 on Mon 24 Oct to 21:26 on Tue 25 Oct.

    1955-10-24T12:02:08Z → 1955-10-25T13:26:28Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:38–12:26 on the 24th, 11:38–12:26 on the 25th.

    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 24th and 48 of 48 on the 25th.

    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 27353 s

  5. 05

    Ruling

    Mahānavamī, Baoding, 1955: Tuesday 25 October.

    confidence: determinate

Say it like this

In Baoding, Mahānavamī 1955 falls on Tuesday 25 October. Navamī runs from 20:02 on Mon 24 Oct to 21:26 on Tue 25 Oct and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1955/mahanavami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 25 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 25 Oct
compat-drikpanchangComparison profileTue 25 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 24thCoveredMadhyāhna 25thCoveredRuled
Los Angeles04:02 → 05:2611:1348 min11:130 min24 Oct
Chicago07:02 → 08:2612:1148 min12:100 min24 Oct
Jersey City08:02 → 09:2612:1648 min12:160 min24 Oct
Port of Spain08:02 → 09:2611:2648 min11:260 min24 Oct
London12:02 → 13:2611:206 min11:2048 min24 Oct
Durban14:02 → 15:2611:160 min11:1648 min25 Oct
Dubai16:02 → 17:2611:390 min11:3948 min25 Oct
Delhi17:32 → 18:5611:410 min11:4148 min25 Oct
Kolkata17:32 → 18:5610:570 min10:5748 min25 Oct
Singapore19:32 → 20:5611:550 min11:5548 min25 Oct
Sydney22:02 → 23:2611:160 min11:1648 min25 Oct
Suva00:02 → 01:2611:270 min11:2748 min25 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

About Ahargaṇa