Ruling · Vāmana Jayantī · 2043

Wednesday 16 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 72 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 15 September

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:49  12:37 madhyāhna ends
11:0111:2511:4912:1312:3713:0113:25

0 of 48 minutes covered

Midday of Wednesday 16 September

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:49  12:37 madhyāhna ends
11:0111:2511:4912:1312:3713:0113:25

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 13:53 on Tue 15 Sep to 13:49 on Wed 16 Sep.

    2043-09-15T05:53:29Z → 2043-09-16T05:49:08Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:49–12:37 on the 15th, 11:49–12:37 on the 16th.

    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 15th and 48 of 48 on the 16th.

    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 4336 s

  5. 05

    Ruling

    Vāmana Jayantī, Baoding, 2043: Wednesday 16 September.

    confidence: determinate

Say it like this

In Baoding, Vāmana Jayantī 2043 falls on Wednesday 16 September. Dvādaśī runs from 13:53 on Tue 15 Sep to 13:49 on Wed 16 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2043/vamana-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 16 Sep
Ahargaṇa, classicalDisc centre, no refractionWed 16 Sep
compat-drikpanchangComparison profileWed 16 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 15thCoveredMadhyāhna 16thCoveredRuled
Los Angeles22:53 → 22:4912:2448 min12:240 min15 Sep
Chicago00:53 → 00:4912:2148 min12:210 min15 Sep
Jersey City01:53 → 01:4912:2748 min12:270 min15 Sep
Port of Spain01:53 → 01:4911:3748 min11:370 min15 Sep
London06:53 → 06:4912:3148 min12:310 min15 Sep
Durban07:53 → 07:4911:2748 min11:270 min15 Sep
Dubai09:53 → 09:4911:5048 min11:500 min15 Sep
Delhi11:23 → 11:1911:5248 min11:520 min15 Sep
Kolkata11:23 → 11:1911:0832 min11:0712 min15 Sep
Singapore13:53 → 13:4912:360 min12:3648 min16 Sep
Sydney15:53 → 15:4911:270 min11:2748 min16 Sep
Suva17:53 → 17:4911:380 min11:3848 min16 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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