Ruling · Vāmana Jayantī · 1948

Tuesday 14 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 83 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 Tuesday 14 September

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 12:49  13:37 madhyāhna ends
12:0112:2512:4913:1313:3714:0114:25

48 of 48 minutes covered

Midday of Wednesday 15 September

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 12:49  13:37 madhyāhna ends
12:0112:2512:4913:1313:3714:0114:25

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 09:09 on Tue 14 Sep to 11:27 on Wed 15 Sep.

    1948-09-14T00:08:42Z → 1948-09-15T02:26:33Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:49–13:37 on the 14th, 12:49–13:37 on the 15th.

    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 14th and 0 of 48 on the 15th.

    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 4954 s

  5. 05

    Ruling

    Vāmana Jayantī, Baoding, 1948: Tuesday 14 September.

    confidence: determinate

Say it like this

In Baoding, Vāmana Jayantī 1948 falls on Tuesday 14 September. Dvādaśī runs from 09:09 on Tue 14 Sep to 11:27 on Wed 15 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1948/vamana-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 14 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 14 Sep
compat-drikpanchangComparison profileTue 14 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles17:09 → 19:2712:2448 min12:240 min14 Sep
Chicago19:09 → 21:2712:2248 min12:210 min14 Sep
Jersey City20:09 → 22:2712:2748 min12:270 min14 Sep
Port of Spain20:09 → 22:2711:3748 min11:370 min14 Sep
London01:09 → 03:2712:3248 min12:310 min14 Sep
Durban02:09 → 04:2711:2848 min11:270 min14 Sep
Dubai04:09 → 06:2711:5048 min11:500 min14 Sep
Delhi05:39 → 07:5711:5248 min11:520 min14 Sep
Kolkata05:39 → 07:5711:0848 min11:080 min14 Sep
Singapore07:39 → 09:5712:0648 min12:060 min14 Sep
Sydney10:09 → 12:2711:2748 min11:2748 min14 Sep
Suva12:09 → 14:2711:3817 min11:3848 min15 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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