Ruling · Vāmana Jayantī · 1996

Tuesday 24 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 430 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 23 September

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:46  12:34 madhyāhna ends
10:5811:2211:4612:1012:3412:5813:22

0 of 48 minutes covered

Midday of Tuesday 24 September

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:46  12:34 madhyāhna ends
10:5811:2211:4612:1012:3412:5813:22

48 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 22:46 on Mon 23 Sep to 19:43 on Tue 24 Sep.

    1996-09-23T14:45:48Z → 1996-09-24T11:43:24Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 23rd, 11:46–12:34 on the 24th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Dvādaśī must be present during madhyāhna. It covers 0 of 48 minutes on the 23rd and 48 of 48 on the 24th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 25773 s

  5. 05

    Ruling

    Vāmana Jayantī, Baoding, 1996: Tuesday 24 September.

    confidence: determinate

Say it like this

In Baoding, Vāmana Jayantī 1996 falls on Tuesday 24 September. Dvādaśī runs from 22:46 on Mon 23 Sep to 19:43 on Tue 24 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1996/vamana-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 24 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 24 Sep
compat-drikpanchangComparison profileTue 24 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/vamana-jayanti · ruleset 2026.3-draft

Month
Bhādrapada, amānta
Pakṣa · aṅga
Śukla · Dvādaśī
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 103

“S 12 Visnuparivartanotsava, Sakrotthana (in any of the naksatras U. Asadha, Sravana & Dhanistha), Kalki dvadasi, Sravana dvadasi (when combined with naksatra Sravana), Vamana jayanti (madhyahna vyapini).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceDvādaśīMadhyāhna 23rdCoveredMadhyāhna 24thCoveredRuled
Los Angeles07:46 → 04:4312:2148 min12:200 min23 Sep
Chicago09:46 → 06:4312:1848 min12:180 min23 Sep
Jersey City10:46 → 07:4312:2448 min12:240 min23 Sep
Port of Spain10:46 → 07:4311:3448 min11:340 min23 Sep
London15:46 → 12:4312:280 min12:2815 min24 Sep
Durban16:46 → 13:4311:240 min11:2448 min24 Sep
Dubai18:46 → 15:4311:470 min11:4748 min24 Sep
Delhi20:16 → 17:1311:490 min11:4948 min24 Sep
Kolkata20:16 → 17:1311:050 min11:0448 min24 Sep
Singapore22:46 → 19:4312:330 min12:3348 min24 Sep
Sydney00:46 → 21:4311:240 min11:2348 min24 Sep
Suva02:46 → 23:4311:350 min11:3448 min24 Sep
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vamana-jayanti@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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