Ruling · Vāmana Jayantī · 2020

Saturday 29 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 63 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 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 Sunday 30 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

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

How it was decided

  1. 01

    Aṅga

    Dvādaśī runs from 10:48 on Sat 29 Aug to 10:52 on Sun 30 Aug.

    2020-08-29T02:47:59Z → 2020-08-30T02:51:53Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:55–12:43 on the 29th, 11:54–12:42 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 3751 s

  5. 05

    Ruling

    Vāmana Jayantī, Baoding, 2020: Saturday 29 August.

    confidence: determinate

Say it like this

In Baoding, Vāmana Jayantī 2020 falls on Saturday 29 August. Dvādaśī runs from 10:48 on Sat 29 Aug to 10:52 on Sun 30 Aug and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2020/vamana-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 29 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 29 Aug
compat-drikpanchangComparison profileSat 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 Angeles19:48 → 19:5212:2948 min12:290 min29 Aug
Chicago21:48 → 21:5212:2748 min12:270 min29 Aug
Jersey City22:48 → 22:5212:3348 min12:320 min29 Aug
Port of Spain22:48 → 22:5211:4348 min11:420 min29 Aug
London03:48 → 03:5212:3748 min12:360 min29 Aug
Durban04:48 → 04:5211:3348 min11:330 min29 Aug
Dubai06:48 → 06:5211:5548 min11:550 min29 Aug
Delhi08:18 → 08:2211:5848 min11:570 min29 Aug
Kolkata08:18 → 08:2211:1348 min11:130 min29 Aug
Singapore10:48 → 10:5212:4148 min12:410 min29 Aug
Sydney12:48 → 12:5211:320 min11:3248 min30 Aug
Suva14:48 → 14:5211:430 min11:4348 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

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