Ruling · Vāmana Jayantī · 1993

Monday 27 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 338 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 Sunday 26 September

Dvādaśī 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 Monday 27 September

Taken. The only midday Dvādaśī reaches.

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

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 18:12 on Sun 26 Sep to 20:01 on Mon 27 Sep.

    1993-09-26T10:11:37Z → 1993-09-27T12:01:03Z

  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

    Dvādaśī 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. 103

  4. 04

    Tie-break

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

    priority: unstated → only-day · margin 20302 s

  5. 05

    Ruling

    Vāmana Jayantī, Baoding, 1993: Monday 27 September.

    confidence: determinate

Say it like this

In Baoding, Vāmana Jayantī 1993 falls on Monday 27 September. Dvādaśī runs from 18:12 on Sun 26 Sep to 20:01 on Mon 27 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1993/vamana-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 27 Sep
Ahargaṇa, classicalDisc centre, no refractionMon 27 Sep
compat-drikpanchangComparison profileMon 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/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 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles03:12 → 05:0112:2048 min12:200 min26 Sep
Chicago05:12 → 07:0112:1748 min12:170 min26 Sep
Jersey City06:12 → 08:0112:2348 min12:230 min26 Sep
Port of Spain06:12 → 08:0111:3348 min11:330 min26 Sep
London11:12 → 13:0112:2748 min12:2734 min26 Sep
Durban12:12 → 14:0111:230 min11:2348 min27 Sep
Dubai14:12 → 16:0111:460 min11:4648 min27 Sep
Delhi15:42 → 17:3111:480 min11:4848 min27 Sep
Kolkata15:42 → 17:3111:040 min11:0348 min27 Sep
Singapore18:12 → 20:0112:320 min12:3248 min27 Sep
Sydney20:12 → 22:0111:230 min11:2348 min27 Sep
Suva22:12 → 00:0111:340 min11:3448 min27 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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