Ruling · Vāmana Jayantī · 2047

Sunday 1 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 251 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

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

Midday of Sunday 1 September

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

Dvādaśī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 17:37 on Sat 31 Aug to 16:53 on Sun 1 Sep.

    2047-08-31T09:37:24Z → 2047-09-01T08:53:16Z

  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 0 of 48 minutes on the 31st and 48 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 15074 s

  5. 05

    Ruling

    Vāmana Jayantī, Baoding, 2047: Sunday 1 September.

    confidence: determinate

Say it like this

In Baoding, Vāmana Jayantī 2047 falls on Sunday 1 September. Dvādaśī runs from 17:37 on Sat 31 Aug to 16:53 on Sun 1 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2047/vamana-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 1 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 1 Sep
compat-drikpanchangComparison profileSun 1 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 31stCoveredMadhyāhna 1stCoveredRuled
Los Angeles02:37 → 01:5312:2948 min12:290 min31 Aug
Chicago04:37 → 03:5312:2748 min12:260 min31 Aug
Jersey City05:37 → 04:5312:3248 min12:320 min31 Aug
Port of Spain05:37 → 04:5311:4248 min11:420 min31 Aug
London10:37 → 09:5312:3648 min12:360 min31 Aug
Durban11:37 → 10:5311:3343 min11:320 min31 Aug
Dubai13:37 → 12:5311:550 min11:5548 min1 Sep
Delhi15:07 → 14:2311:570 min11:5748 min1 Sep
Kolkata15:07 → 14:2311:130 min11:1348 min1 Sep
Singapore17:37 → 16:5312:410 min12:4148 min1 Sep
Sydney19:37 → 18:5311:320 min11:3248 min1 Sep
Suva21:37 → 20:5311:430 min11:4348 min1 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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