Ruling · Śaṅkara Jayantī (Shankaracharya Jayanti) · 2015

Thursday 23 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 307 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 Wednesday 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 Thursday 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 18:19 on Wed 22 Apr to 17:48 on Thu 23 Apr.

    2015-04-22T10:19:16Z → 2015-04-23T09:48:16Z

  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 18441 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 2015: Thursday 23 April.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī (Shankaracharya Jayanti) 2015 falls on Thursday 23 April. Pañcamī runs from 18:19 on Wed 22 Apr to 17:48 on Thu 23 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2015/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 23 Apr
Ahargaṇa, classicalDisc centre, no refractionThu 23 Apr
compat-drikpanchangComparison profileThu 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 Angeles03:19 → 02:4812:2848 min12:280 min22 Apr
Chicago05:19 → 04:4812:2548 min12:250 min22 Apr
Jersey City06:19 → 05:4812:3148 min12:310 min22 Apr
Port of Spain06:19 → 05:4811:4148 min11:400 min22 Apr
London11:19 → 10:4812:3648 min12:350 min22 Apr
Durban12:19 → 11:4811:300 min11:3018 min23 Apr
Dubai14:19 → 13:4811:540 min11:5348 min23 Apr
Delhi15:49 → 15:1811:560 min11:5648 min23 Apr
Kolkata15:49 → 15:1811:110 min11:1148 min23 Apr
Singapore18:19 → 17:4812:390 min12:3948 min23 Apr
Sydney20:19 → 19:4811:300 min11:2948 min23 Apr
Suva22:19 → 21:4811:410 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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