Ruling · Vāmana Jayantī · 2092

Friday 12 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 156 minutes.

Decide it for

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 Friday 12 September

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:50  12:38 madhyāhna ends
11:0211:2611:5012:1412:3813:0213:26

48 of 48 minutes covered

Midday of Saturday 13 September

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:50  12:38 madhyāhna ends
11:0211:2611:5012:1412:3813:0213:26

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 09:14 on Fri 12 Sep to 07:37 on Sat 13 Sep.

    2092-09-12T01:13:57Z → 2092-09-12T23:36:54Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:50–12:38 on the 12th, 11:50–12:38 on the 13th.

    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 12th and 0 of 48 on the 13th.

    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 9377 s

  5. 05

    Ruling

    Vāmana Jayantī, Baoding, 2092: Friday 12 September.

    confidence: determinate

Say it like this

In Baoding, Vāmana Jayantī 2092 falls on Friday 12 September. Dvādaśī runs from 09:14 on Fri 12 Sep to 07:37 on Sat 13 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2092/vamana-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 12 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 12 Sep
compat-drikpanchangComparison profileFri 12 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 12thCoveredMadhyāhna 13thCoveredRuled
Los Angeles18:14 → 16:3712:2548 min12:250 min12 Sep
Chicago20:14 → 18:3712:2248 min12:220 min12 Sep
Jersey City21:14 → 19:3712:2848 min12:280 min12 Sep
Port of Spain21:14 → 19:3711:3848 min11:380 min12 Sep
London02:14 → 00:3712:3248 min12:320 min12 Sep
Durban03:14 → 01:3711:2848 min11:280 min12 Sep
Dubai05:14 → 03:3711:5148 min11:510 min12 Sep
Delhi06:44 → 05:0711:5348 min11:530 min12 Sep
Kolkata06:44 → 05:0711:0948 min11:080 min12 Sep
Singapore09:14 → 07:3712:3748 min12:370 min12 Sep
Sydney11:14 → 09:3711:2848 min11:280 min12 Sep
Suva13:14 → 11:3711:390 min11:390 min13 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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