Ruling · Vāmana Jayantī · 1960

Friday 2 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 318 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 2 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 Saturday 3 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 06:35 on Fri 2 Sep to 03:38 on Sat 3 Sep.

    1960-09-01T22:35:21Z → 1960-09-02T19:38:16Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 2nd, 11:53–12:41 on the 3rd.

    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 2nd and 0 of 48 on the 3rd.

    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 19091 s

  5. 05

    Ruling

    Vāmana Jayantī, Baoding, 1960: Friday 2 September.

    confidence: determinate

Say it like this

In Baoding, Vāmana Jayantī 1960 falls on Friday 2 September. Dvādaśī runs from 06:35 on Fri 2 Sep to 03:38 on Sat 3 Sep and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1960/vamana-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 2 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 2 Sep
compat-drikpanchangComparison profileFri 2 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 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles15:35 → 12:3812:290 min12:2810 min2 Sep
Chicago17:35 → 14:3812:260 min12:2648 min2 Sep
Jersey City18:35 → 15:3812:320 min12:3148 min2 Sep
Port of Spain18:35 → 15:3811:420 min11:4248 min2 Sep
London23:35 → 20:3812:360 min12:3648 min2 Sep
Durban00:35 → 21:3811:320 min11:3248 min2 Sep
Dubai02:35 → 23:3811:550 min11:5448 min2 Sep
Delhi04:05 → 01:0811:570 min11:5748 min2 Sep
Kolkata04:05 → 01:0811:120 min11:1248 min2 Sep
Singapore06:05 → 03:0812:110 min12:1048 min2 Sep
Sydney08:35 → 05:3811:310 min11:3148 min2 Sep
Suva10:35 → 07:3811:420 min11:4248 min2 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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