Ruling · Śaṅkara Jayantī · 1907

Friday 17 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 455 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 17 May

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

48 of 48 minutes covered

Midday of Saturday 18 May

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:51  12:39 madhyāhna ends
11:0311:2711:5112:1512:3913:0313:27

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 01:39 on Fri 17 May to 04:16 on Sat 18 May.

    1907-05-16T17:38:52Z → 1907-05-17T20:15:45Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 17th, 11:51–12:39 on the 18th.

    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 17th and 0 of 48 on the 18th.

    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 27293 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 1907: Friday 17 May.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī 1907 falls on Friday 17 May. Pañcamī runs from 01:39 on Fri 17 May to 04:16 on Sat 18 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1907/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 17 May
Ahargaṇa, classicalDisc centre, no refractionFri 17 May
compat-drikpanchangComparison profileFri 17 May
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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles09:39 → 12:1611:2548 min11:2548 min16 May
Chicago11:39 → 14:1611:2332 min11:2348 min17 May
Jersey City12:39 → 15:1611:290 min11:2948 min17 May
Port of Spain13:39 → 16:1611:380 min11:3848 min17 May
London17:39 → 20:1611:330 min11:3348 min17 May
Durban19:39 → 22:1611:280 min11:2848 min17 May
Dubai21:20 → 23:5711:320 min11:3248 min17 May
Delhi23:09 → 01:4611:530 min11:5348 min17 May
Kolkata23:09 → 01:4611:090 min11:0948 min17 May
Singapore00:39 → 03:1611:370 min11:3748 min17 May
Sydney03:39 → 06:1611:270 min11:2748 min17 May
Suva05:34 → 08:1111:330 min11:3348 min17 May
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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