Ruling · Śaṅkara Jayantī · 1920

Friday 23 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 141 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 22 April

Pañcamī 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

Midday of Friday 23 April

Taken. The only midday Pañcamī reaches.

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

48 of 48 minutes covered

Pañcamī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 17:50 on Thu 22 Apr to 15:02 on Fri 23 Apr.

    1920-04-22T09:49:54Z → 1920-04-23T07:02:11Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 22nd, 11:53–12:41 on the 23rd.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 22nd and 48 of 48 on the 23rd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 8480 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 1920: Friday 23 April.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī 1920 falls on Friday 23 April. Pañcamī runs from 17:50 on Thu 22 Apr to 15:02 on Fri 23 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1920/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 23 Apr
Ahargaṇa, classicalDisc centre, no refractionFri 23 Apr
compat-drikpanchangComparison profileFri 23 Apr
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/shankara-jayanti · ruleset 2026.3-draft

Month
Vaiśākha, amānta
Pakṣa · aṅga
Śukla · Pañcamī
Kāla
Madhyāhna
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 102

“S 5 Sankara jayanti.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePañcamīMadhyāhna 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles01:50 → 23:0211:2848 min11:270 min22 Apr
Chicago03:50 → 01:0211:2548 min11:250 min22 Apr
Jersey City05:50 → 03:0212:3148 min12:310 min22 Apr
Port of Spain05:50 → 03:0211:4148 min11:400 min22 Apr
London10:50 → 08:0212:3648 min12:350 min22 Apr
Durban11:50 → 09:0211:3028 min11:300 min22 Apr
Dubai13:50 → 11:0211:530 min11:530 min23 Apr
Delhi15:20 → 12:3211:560 min11:5637 min23 Apr
Kolkata15:20 → 12:3211:110 min11:1148 min23 Apr
Singapore16:50 → 14:0211:390 min11:3948 min23 Apr
Sydney19:50 → 17:0211:300 min11:2948 min23 Apr
Suva21:50 → 19:0211:410 min11:4148 min23 Apr
Profile · tradition
pac-rp@2026.1 · smarta
Rule
shankara-jayanti@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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