Ruling · Vāmana Jayantī · 1917

Wednesday 29 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 93 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 29 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

48 of 48 minutes covered

Midday of Thursday 30 August

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:55  12:43 madhyāhna ends
11:0711:3111:5512:1912:4313:0713:31

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 10:22 on Wed 29 Aug to 07:29 on Thu 30 Aug.

    1917-08-29T02:22:15Z → 1917-08-29T23:29:12Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 29th, 11:55–12:43 on the 30th.

    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 29th and 0 of 48 on the 30th.

    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 5558 s

  5. 05

    Ruling

    Vāmana Jayantī, Baoding, 1917: Wednesday 29 August.

    confidence: determinate

Say it like this

In Baoding, Vāmana Jayantī 1917 falls on Wednesday 29 August. Dvādaśī runs from 10:22 on Wed 29 Aug to 07:29 on Thu 30 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1917/vamana-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 29 Aug
Ahargaṇa, classicalDisc centre, no refractionWed 29 Aug
compat-drikpanchangComparison profileWed 29 Aug
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 29thCoveredMadhyāhna 30thCoveredRuled
Los Angeles18:22 → 15:2911:3048 min11:290 min29 Aug
Chicago20:22 → 17:2911:2748 min11:270 min29 Aug
Jersey City21:22 → 18:2911:3348 min11:330 min29 Aug
Port of Spain22:22 → 19:2911:4348 min11:430 min29 Aug
London03:22 → 00:2912:3748 min12:370 min29 Aug
Durban04:22 → 01:2911:3348 min11:330 min29 Aug
Dubai06:03 → 03:1011:3748 min11:360 min29 Aug
Delhi07:52 → 04:5911:5848 min11:580 min29 Aug
Kolkata07:52 → 04:5911:1348 min11:130 min29 Aug
Singapore09:22 → 06:2911:4248 min11:410 min29 Aug
Sydney12:22 → 09:2911:320 min11:320 min30 Aug
Suva14:22 → 11:2911:440 min11:430 min30 Aug
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