Ruling · Vāmana Jayantī · 2019

Tuesday 10 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 398 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 10 September

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

48 of 48 minutes covered

Midday of Wednesday 11 September

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

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 03:01 on Tue 10 Sep to 05:13 on Wed 11 Sep.

    2019-09-09T19:01:10Z → 2019-09-10T21:12:41Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 10th, 11:51–12:39 on the 11th.

    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 10th and 0 of 48 on the 11th.

    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 23878 s

  5. 05

    Ruling

    Vāmana Jayantī, Baoding, 2019: Tuesday 10 September.

    confidence: determinate

Say it like this

In Baoding, Vāmana Jayantī 2019 falls on Tuesday 10 September. Dvādaśī runs from 03:01 on Tue 10 Sep to 05:13 on Wed 11 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2019/vamana-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 10 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 10 Sep
compat-drikpanchangComparison profileTue 10 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 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles12:01 → 14:1312:2648 min12:2648 min9 Sep
Chicago14:01 → 16:1312:240 min12:2348 min10 Sep
Jersey City15:01 → 17:1312:290 min12:2948 min10 Sep
Port of Spain15:01 → 17:1311:390 min11:3948 min10 Sep
London20:01 → 22:1312:330 min12:3348 min10 Sep
Durban21:01 → 23:1311:300 min11:2948 min10 Sep
Dubai23:01 → 01:1311:520 min11:5248 min10 Sep
Delhi00:31 → 02:4311:540 min11:5448 min10 Sep
Kolkata00:31 → 02:4311:100 min11:1048 min10 Sep
Singapore03:01 → 05:1312:380 min12:3848 min10 Sep
Sydney05:01 → 07:1311:290 min11:2948 min10 Sep
Suva07:01 → 09:1311:400 min11:4048 min10 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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