Ruling · Śaṅkara Jayantī (Shankaracharya Jayanti) · 2064

Monday 21 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 191 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 08:23 on Mon 21 Apr to 08:42 on Tue 22 Apr.

    2064-04-21T00:23:21Z → 2064-04-22T00:42:22Z

  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 11440 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 2064: Monday 21 April.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī (Shankaracharya Jayanti) 2064 falls on Monday 21 April. Pañcamī runs from 08:23 on Mon 21 Apr to 08:42 on Tue 22 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2064/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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles17:23 → 17:4212:2848 min12:280 min21 Apr
Chicago19:23 → 19:4212:2648 min12:250 min21 Apr
Jersey City20:23 → 20:4212:3148 min12:310 min21 Apr
Port of Spain20:23 → 20:4211:4148 min11:410 min21 Apr
London01:23 → 01:4212:3648 min12:360 min21 Apr
Durban02:23 → 02:4211:3048 min11:300 min21 Apr
Dubai04:23 → 04:4211:5448 min11:530 min21 Apr
Delhi05:53 → 06:1211:5648 min11:560 min21 Apr
Kolkata05:53 → 06:1211:1148 min11:110 min21 Apr
Singapore08:23 → 08:4212:3948 min12:390 min21 Apr
Sydney10:23 → 10:4211:3048 min11:300 min21 Apr
Suva12:23 → 12:4211:416 min11:4148 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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