Ruling · Vāmana Jayantī · 2045

Friday 22 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 252 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 Friday 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 Saturday 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

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 04:55 on Fri 22 Sep to 07:34 on Sat 23 Sep.

    2045-09-21T20:55:20Z → 2045-09-22T23:33:58Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 22nd, 11:46–12:34 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 15135 s

  5. 05

    Ruling

    Vāmana Jayantī, Baoding, 2045: Friday 22 September.

    confidence: determinate

Say it like this

In Baoding, Vāmana Jayantī 2045 falls on Friday 22 September. Dvādaśī runs from 04:55 on Fri 22 Sep to 07:34 on Sat 23 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2045/vamana-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 22 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 22 Sep
compat-drikpanchangComparison profileFri 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles13:55 → 16:3412:220 min12:2148 min22 Sep
Chicago15:55 → 18:3412:190 min12:1948 min22 Sep
Jersey City16:55 → 19:3412:250 min12:2548 min22 Sep
Port of Spain16:55 → 19:3411:350 min11:3548 min22 Sep
London21:55 → 00:3412:290 min12:2948 min22 Sep
Durban22:55 → 01:3411:250 min11:2548 min22 Sep
Dubai00:55 → 03:3411:480 min11:4748 min22 Sep
Delhi02:25 → 05:0411:500 min11:5048 min22 Sep
Kolkata02:25 → 05:0411:050 min11:0548 min22 Sep
Singapore04:55 → 07:3412:340 min12:3348 min22 Sep
Sydney06:55 → 09:3411:250 min11:2448 min22 Sep
Suva08:55 → 11:3411:360 min11:3548 min22 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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