Ruling · Vāmana Jayantī · 1903

Thursday 3 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 598 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 Thursday 3 September

Taken. The only midday Dvādaśī reaches.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

48 of 48 minutes covered

Midday of Friday 4 September

Dvādaśī is absent from madhyāhna. Not taken.

madhyāhna begins 11:53  12:41 madhyāhna ends
11:0511:2911:5312:1712:4113:0513:29

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 23:29 on Wed 2 Sep to 01:55 on Fri 4 Sep.

    1903-09-02T15:28:48Z → 1903-09-03T17:54:55Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 3rd, 11:53–12:41 on the 4th.

    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 3rd and 0 of 48 on the 4th.

    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 35898 s

  5. 05

    Ruling

    Vāmana Jayantī, Baoding, 1903: Thursday 3 September.

    confidence: determinate

Say it like this

In Baoding, Vāmana Jayantī 1903 falls on Thursday 3 September. Dvādaśī runs from 23:29 on Wed 2 Sep to 01:55 on Fri 4 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1903/vamana-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 3 Sep
Ahargaṇa, classicalDisc centre, no refractionThu 3 Sep
compat-drikpanchangComparison profileThu 3 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 2ndCoveredMadhyāhna 3rdCoveredRuled
Los Angeles07:29 → 09:5511:2948 min11:280 min2 Sep
Chicago09:29 → 11:5511:2648 min11:2629 min2 Sep
Jersey City10:29 → 12:5511:3248 min11:3248 min2 Sep
Port of Spain11:29 → 13:5511:4248 min11:4248 min2 Sep
London15:29 → 17:5511:360 min11:3648 min3 Sep
Durban17:29 → 19:5511:320 min11:3248 min3 Sep
Dubai19:10 → 21:3611:360 min11:3548 min3 Sep
Delhi20:50 → 23:1611:480 min11:4848 min3 Sep
Kolkata20:50 → 23:1611:030 min11:0348 min3 Sep
Singapore22:24 → 00:5011:360 min11:3548 min3 Sep
Sydney01:29 → 03:5511:310 min11:3148 min3 Sep
Suva03:24 → 05:5011:380 min11:3748 min3 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

About Ahargaṇa