Ruling · Vāmana Jayantī · 1992

Tuesday 8 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 522 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 8 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 9 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 00:40 on Tue 8 Sep to 03:10 on Wed 9 Sep.

    1992-09-07T16:40:12Z → 1992-09-08T19:09:33Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 8th, 11:51–12:39 on the 9th.

    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 8th and 0 of 48 on the 9th.

    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 31295 s

  5. 05

    Ruling

    Vāmana Jayantī, Baoding, 1992: Tuesday 8 September.

    confidence: determinate

Say it like this

In Baoding, Vāmana Jayantī 1992 falls on Tuesday 8 September. Dvādaśī runs from 00:40 on Tue 8 Sep to 03:10 on Wed 9 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1992/vamana-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 8 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 8 Sep
compat-drikpanchangComparison profileTue 8 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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles09:40 → 12:1012:2648 min12:260 min7 Sep
Chicago11:40 → 14:1012:2448 min12:2448 min7 Sep
Jersey City12:40 → 15:1012:3038 min12:2948 min8 Sep
Port of Spain12:40 → 15:1011:400 min11:3948 min8 Sep
London17:40 → 20:1012:340 min12:3448 min8 Sep
Durban18:40 → 21:1011:300 min11:3048 min8 Sep
Dubai20:40 → 23:1011:530 min11:5248 min8 Sep
Delhi22:10 → 00:4011:550 min11:5448 min8 Sep
Kolkata22:10 → 00:4011:100 min11:1048 min8 Sep
Singapore00:40 → 03:1012:390 min12:3848 min8 Sep
Sydney02:40 → 05:1011:290 min11:2948 min8 Sep
Suva04:40 → 07:1011:400 min11:4048 min8 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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