Ruling · Śaṅkara Jayantī (Shankaracharya Jayanti) · 1969

Monday 21 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 123 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 Monday 21 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

Midday of Tuesday 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

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

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 07:33 on Mon 21 Apr to 09:50 on Tue 22 Apr.

    1969-04-20T23:33:29Z → 1969-04-22T01:50:26Z

  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 48 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

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

    priority: unstated → only-day · margin 7356 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 1969: Monday 21 April.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī (Shankaracharya Jayanti) 1969 falls on Monday 21 April. Pañcamī runs from 07:33 on Mon 21 Apr to 09:50 on Tue 22 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1969/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 21 Apr
Ahargaṇa, classicalDisc centre, no refractionMon 21 Apr
compat-drikpanchangComparison profileMon 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 20thCoveredMadhyāhna 22ndCoveredRuled
Los Angeles15:33 → 17:5011:280 min11:280 min21 Apr
Chicago17:33 → 19:5011:260 min11:250 min21 Apr
Jersey City18:33 → 20:5011:320 min11:310 min21 Apr
Port of Spain19:33 → 21:5011:410 min11:410 min21 Apr
London00:33 → 02:5012:360 min12:360 min21 Apr
Durban01:33 → 03:5011:310 min11:300 min21 Apr
Dubai03:33 → 05:5011:540 min11:530 min21 Apr
Delhi05:03 → 07:2011:560 min11:560 min21 Apr
Kolkata05:03 → 07:2011:120 min11:110 min21 Apr
Singapore07:03 → 09:2012:100 min12:090 min21 Apr
Sydney09:33 → 11:5011:300 min11:3021 min21 Apr
Suva11:33 → 13:5011:410 min11:4148 min21 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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