Ruling · Śaṅkara Jayantī · 1923

Saturday 21 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 630 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 Friday 20 April

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:54  12:42 madhyāhna ends
11:0611:3011:5412:1812:4213:0613:30

0 of 48 minutes covered

Midday of Saturday 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

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

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 23:12 on Fri 20 Apr to 00:31 on Sun 22 Apr.

    1923-04-20T15:11:46Z → 1923-04-21T16:30:44Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:54–12:42 on the 20th, 11:53–12:41 on the 21st.

    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 20th and 48 of 48 on the 21st.

    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 37808 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 1923: Saturday 21 April.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī 1923 falls on Saturday 21 April. Pañcamī runs from 23:12 on Fri 20 Apr to 00:31 on Sun 22 Apr and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1923/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 21 Apr
Ahargaṇa, classicalDisc centre, no refractionSat 21 Apr
compat-drikpanchangComparison profileSat 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 21stCoveredRuled
Los Angeles07:12 → 08:3111:2848 min11:280 min20 Apr
Chicago09:12 → 10:3111:2648 min11:260 min20 Apr
Jersey City10:12 → 11:3111:3248 min11:320 min20 Apr
Port of Spain11:12 → 12:3111:4148 min11:4148 min20 Apr
London15:12 → 16:3111:360 min11:3648 min21 Apr
Durban17:12 → 18:3111:310 min11:3148 min21 Apr
Dubai19:12 → 20:3111:540 min11:5448 min21 Apr
Delhi20:42 → 22:0111:560 min11:5648 min21 Apr
Kolkata20:42 → 22:0111:120 min11:1248 min21 Apr
Singapore22:12 → 23:3111:400 min11:4048 min21 Apr
Sydney01:12 → 02:3111:300 min11:3048 min21 Apr
Suva03:12 → 04:3111:410 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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