Ruling · Vāmana Jayantī · 2042

Friday 26 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 291 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 Friday 26 September

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:45  12:33 madhyāhna ends
10:5711:2111:4512:0912:3312:5713:21

48 of 48 minutes covered

Midday of Saturday 27 September

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:45  12:33 madhyāhna ends
10:5711:2111:4512:0912:3312:5713:21

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 06:54 on Fri 26 Sep to 04:31 on Sat 27 Sep.

    2042-09-25T22:54:14Z → 2042-09-26T20:31:05Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:45–12:33 on the 26th, 11:45–12:33 on the 27th.

    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 26th and 0 of 48 on the 27th.

    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 17462 s

  5. 05

    Ruling

    Vāmana Jayantī, Baoding, 2042: Friday 26 September.

    confidence: determinate

Say it like this

In Baoding, Vāmana Jayantī 2042 falls on Friday 26 September. Dvādaśī runs from 06:54 on Fri 26 Sep to 04:31 on Sat 27 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2042/vamana-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 26 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 26 Sep
compat-drikpanchangComparison profileFri 26 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 25thCoveredMadhyāhna 26thCoveredRuled
Los Angeles15:54 → 13:3112:200 min12:2048 min26 Sep
Chicago17:54 → 15:3112:180 min12:1748 min26 Sep
Jersey City18:54 → 16:3112:240 min12:2348 min26 Sep
Port of Spain18:54 → 16:3111:340 min11:3348 min26 Sep
London23:54 → 21:3112:280 min12:2748 min26 Sep
Durban00:54 → 22:3111:240 min11:2348 min26 Sep
Dubai02:54 → 00:3111:460 min11:4648 min26 Sep
Delhi04:24 → 02:0111:490 min11:4848 min26 Sep
Kolkata04:24 → 02:0111:040 min11:0448 min26 Sep
Singapore06:54 → 04:3112:320 min12:3248 min26 Sep
Sydney08:54 → 06:3111:230 min11:2348 min26 Sep
Suva10:54 → 08:3111:340 min11:3448 min26 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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