Ruling · Vāmana Jayantī · 1953

Sunday 20 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 596 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 20 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 Monday 21 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 01:51 on Sun 20 Sep to 23:07 on Sun 20 Sep.

    1953-09-19T17:51:08Z → 1953-09-20T15:06:37Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 20th, 11:47–12:35 on the 21st.

    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 20th and 0 of 48 on the 21st.

    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 35778 s

  5. 05

    Ruling

    Vāmana Jayantī, Baoding, 1953: Sunday 20 September.

    confidence: determinate

Say it like this

In Baoding, Vāmana Jayantī 1953 falls on Sunday 20 September. Dvādaśī runs from 01:51 on Sun 20 Sep to 23:07 on Sun 20 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1953/vamana-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 20 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 20 Sep
compat-drikpanchangComparison profileSun 20 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 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles10:51 → 08:0712:2248 min12:220 min19 Sep
Chicago12:51 → 10:0712:2017 min12:200 min19 Sep
Jersey City13:51 → 11:0712:260 min12:250 min20 Sep
Port of Spain13:51 → 11:0711:360 min11:350 min20 Sep
London18:51 → 16:0712:300 min12:2948 min20 Sep
Durban19:51 → 17:0711:260 min11:2648 min20 Sep
Dubai21:51 → 19:0711:480 min11:4848 min20 Sep
Delhi23:21 → 20:3711:510 min11:5048 min20 Sep
Kolkata23:21 → 20:3711:060 min11:0648 min20 Sep
Singapore01:21 → 22:3712:050 min12:0448 min20 Sep
Sydney03:51 → 01:0711:250 min11:2548 min20 Sep
Suva05:51 → 03:0711:360 min11:3648 min20 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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