Ruling · Vāmana Jayantī · 1963

Saturday 31 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 231 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 Saturday 31 August

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

48 of 48 minutes covered

Midday of Sunday 1 September

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

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 08:03 on Sat 31 Aug to 07:59 on Sun 1 Sep.

    1963-08-31T00:03:12Z → 1963-08-31T23:59:03Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 31st, 11:54–12:42 on the 1st.

    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 31st and 0 of 48 on the 1st.

    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 13872 s

  5. 05

    Ruling

    Vāmana Jayantī, Baoding, 1963: Saturday 31 August.

    confidence: determinate

Say it like this

In Baoding, Vāmana Jayantī 1963 falls on Saturday 31 August. Dvādaśī runs from 08:03 on Sat 31 Aug to 07:59 on Sun 1 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1963/vamana-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 31 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 31 Aug
compat-drikpanchangComparison profileSat 31 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 31stCoveredMadhyāhna 1stCoveredRuled
Los Angeles17:03 → 16:5912:2948 min12:290 min31 Aug
Chicago19:03 → 18:5912:2748 min12:260 min31 Aug
Jersey City20:03 → 19:5912:3248 min12:320 min31 Aug
Port of Spain20:03 → 19:5911:4248 min11:420 min31 Aug
London01:03 → 00:5912:3648 min12:360 min31 Aug
Durban02:03 → 01:5911:3348 min11:320 min31 Aug
Dubai04:03 → 03:5911:5548 min11:550 min31 Aug
Delhi05:33 → 05:2911:5748 min11:570 min31 Aug
Kolkata05:33 → 05:2911:1348 min11:130 min31 Aug
Singapore07:33 → 07:2912:1148 min12:110 min31 Aug
Sydney10:03 → 09:5911:3248 min11:320 min31 Aug
Suva12:03 → 11:5911:4328 min11:4316 min31 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

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