Ruling · Mahānavamī · 1965

Sunday 3 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 17 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 Sunday 3 October

Taken. Both middays qualify; the rule takes the first.

madhyāhna begins 11:43  12:31 madhyāhna ends
10:5511:1911:4312:0712:3112:5513:19

48 of 48 minutes covered

Midday of Monday 4 October

Qualifies with 31 of 48 minutes. Not taken.

madhyāhna begins 11:43  12:31 madhyāhna ends
Navamī ends 12:13:28
10:5511:1911:4312:0712:3112:5513:19

31 of 48 minutes covered, the first 31

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

How it was decided

  1. 01

    Aṅga

    Navamī runs from 09:46 on Sun 3 Oct to 12:13 on Mon 4 Oct.

    1965-10-03T01:45:48Z → 1965-10-04T04:13:29Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:43–12:31 on the 3rd, 11:43–12:31 on the 4th.

    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 3rd and 31 of 48 on the 4th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Both middays qualify. Pūrvaviddhā: the first is taken.

    priority: purvaviddha → purvaviddha · margin 1034 s

  5. 05

    Ruling

    Mahānavamī, Baoding, 1965: Sunday 3 October.

    confidence: determinate

Say it like this

In Baoding, Mahānavamī 1965 falls on Sunday 3 October. Navamī runs from 09:46 on Sun 3 Oct to 12:13 on Mon 4 Oct and covers all of madhyāhna that midday. It also reaches the next midday for 31 minutes; by the rule the first midday is taken.

ahargana.org/baoding/festivals/1965/mahanavami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 3 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 3 Oct
compat-drikpanchangComparison profileSun 3 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 4thCoveredRuled
Los Angeles18:46 → 21:1312:1848 min12:170 min3 Oct
Chicago20:46 → 23:1312:1548 min12:150 min3 Oct
Jersey City21:46 → 00:1312:2148 min12:210 min3 Oct
Port of Spain21:46 → 00:1311:3148 min11:310 min3 Oct
London02:46 → 05:1312:2548 min12:250 min3 Oct
Durban03:46 → 06:1311:2148 min11:210 min3 Oct
Dubai05:46 → 08:1311:4448 min11:430 min3 Oct
Delhi07:16 → 09:4311:4648 min11:460 min3 Oct
Kolkata07:16 → 09:4311:0248 min11:010 min3 Oct
Singapore09:16 → 11:4312:0048 min11:590 min3 Oct
Sydney11:46 → 14:1311:2123 min11:2048 min3 Oct
Suva13:46 → 16:1311:320 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

About Ahargaṇa