Ruling · Mahānavamī · 1963

Friday 27 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 534 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 Thursday 26 September

Navamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:45  12:33 madhyāhna ends
10:5711:2111:4512:0912:3312:5713:21

0 of 48 minutes covered

Midday of Friday 27 September

Taken. The only midday Navamī reaches.

madhyāhna begins 11:45  12:33 madhyāhna ends
10:5711:2111:4512:0912:3312:5713:21

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 21:28 on Thu 26 Sep to 22:34 on Fri 27 Sep.

    1963-09-26T13:27:30Z → 1963-09-27T14:33:50Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 26th, 11:45–12:33 on the 27th.

    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 26th and 48 of 48 on the 27th.

    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 32041 s

  5. 05

    Ruling

    Mahānavamī, Baoding, 1963: Friday 27 September.

    confidence: determinate

Say it like this

In Baoding, Mahānavamī 1963 falls on Friday 27 September. Navamī runs from 21:28 on Thu 26 Sep to 22:34 on Fri 27 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1963/mahanavami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 27 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 27 Sep
compat-drikpanchangComparison profileFri 27 Sep
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 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles06:28 → 07:3412:2048 min12:200 min26 Sep
Chicago08:28 → 09:3412:1848 min12:170 min26 Sep
Jersey City09:28 → 10:3412:2348 min12:230 min26 Sep
Port of Spain09:28 → 10:3411:3348 min11:330 min26 Sep
London14:28 → 15:3412:280 min12:2748 min27 Sep
Durban15:28 → 16:3411:240 min11:2348 min27 Sep
Dubai17:28 → 18:3411:460 min11:4648 min27 Sep
Delhi18:58 → 20:0411:480 min11:4848 min27 Sep
Kolkata18:58 → 20:0411:040 min11:0448 min27 Sep
Singapore20:58 → 22:0412:020 min12:0248 min27 Sep
Sydney23:28 → 00:3411:230 min11:2348 min27 Sep
Suva01:28 → 02:3411:340 min11:3448 min27 Sep
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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