Ruling · Vāmana Jayantī · 2083

Wednesday 22 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 151 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 Wednesday 22 September

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:47  12:35 madhyāhna ends
10:5911:2311:4712:1112:3512:5913:23

48 of 48 minutes covered

Midday of Thursday 23 September

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:47  12:35 madhyāhna ends
10:5911:2311:4712:1112:3512:5913:23

0 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 09:16 on Wed 22 Sep to 08:17 on Thu 23 Sep.

    2083-09-22T01:16:14Z → 2083-09-23T00:17:13Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 22nd, 11:47–12:35 on the 23rd.

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

  3. 03

    Rule

    Dvādaśī must be present during madhyāhna. It covers 48 of 48 minutes on the 22nd and 0 of 48 on the 23rd.

    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 9038 s

  5. 05

    Ruling

    Vāmana Jayantī, Baoding, 2083: Wednesday 22 September.

    confidence: determinate

Say it like this

In Baoding, Vāmana Jayantī 2083 falls on Wednesday 22 September. Dvādaśī runs from 09:16 on Wed 22 Sep to 08:17 on Thu 23 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2083/vamana-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 22 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 22 Sep
compat-drikpanchangComparison profileWed 22 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 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles18:16 → 17:1712:2248 min12:210 min22 Sep
Chicago20:16 → 19:1712:1948 min12:190 min22 Sep
Jersey City21:16 → 20:1712:2548 min12:240 min22 Sep
Port of Spain21:16 → 20:1711:3548 min11:350 min22 Sep
London02:16 → 01:1712:2948 min12:290 min22 Sep
Durban03:16 → 02:1711:2548 min11:250 min22 Sep
Dubai05:16 → 04:1711:4848 min11:470 min22 Sep
Delhi06:46 → 05:4711:5048 min11:500 min22 Sep
Kolkata06:46 → 05:4711:0548 min11:050 min22 Sep
Singapore09:16 → 08:1712:3448 min12:330 min22 Sep
Sydney11:16 → 10:1711:2548 min11:240 min22 Sep
Suva13:16 → 12:1711:360 min11:3542 min23 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

About Ahargaṇa