Ruling · Śaṅkara Jayantī · 1912

Monday 22 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 10 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 Sunday 21 April

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:53  12:41 madhyāhna ends
Pañcamī begins 12:51:24
11:0511:2911:5312:1712:4113:0513:29

0 of 48 minutes covered

Midday of Monday 22 April

Taken. Pañcamī reaches neither midday; the rule takes the second day.

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

0 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 12:51 on Sun 21 Apr to 10:35 on Mon 22 Apr.

    1912-04-21T04:51:25Z → 1912-04-22T02:34:40Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:53–12:41 on the 21st, 11:53–12:41 on the 22nd.

    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 21st and 0 of 48 on the 22nd.

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

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: unstated → second-day · margin 608 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 1912: Monday 22 April.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī 1912 falls on Monday 22 April. Pañcamī runs from 12:51 on Sun 21 Apr to 10:35 on Mon 22 Apr, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/1912/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 22 Apr
Ahargaṇa, classicalDisc centre, no refractionMon 22 Apr
compat-drikpanchangComparison profileSun 21 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles20:51 → 18:3511:2848 min11:280 min21 Apr
Chicago22:51 → 20:3511:2648 min11:250 min21 Apr
Jersey City23:51 → 21:3511:3148 min11:310 min21 Apr
Port of Spain00:51 → 22:3511:4148 min11:410 min21 Apr
London04:51 → 02:3511:3648 min11:360 min21 Apr
Durban06:51 → 04:3511:3048 min11:300 min21 Apr
Dubai08:32 → 06:1611:3548 min11:350 min21 Apr
Delhi10:21 → 08:0511:5648 min11:560 min21 Apr
Kolkata10:21 → 08:0511:1148 min11:110 min21 Apr
Singapore11:51 → 09:3511:3936 min11:390 min21 Apr
Sydney14:51 → 12:3511:300 min11:3048 min22 Apr
Suva16:46 → 14:3011:360 min11:3648 min22 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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