Ruling · Śaṅkara Jayantī (Shankaracharya Jayanti) · 2011

Sunday 8 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 381 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 Saturday 7 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

Midday of Sunday 8 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

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

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 19:03 on Sat 7 May to 19:00 on Sun 8 May.

    2011-05-07T11:03:30Z → 2011-05-08T11:00:28Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:51–12:39 on the 7th, 11:51–12:39 on the 8th.

    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 7th and 48 of 48 on the 8th.

    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 22888 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 2011: Sunday 8 May.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī (Shankaracharya Jayanti) 2011 falls on Sunday 8 May. Pañcamī runs from 19:03 on Sat 7 May to 19:00 on Sun 8 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2011/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 8 May
Ahargaṇa, classicalDisc centre, no refractionSun 8 May
compat-drikpanchangComparison profileSun 8 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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles04:03 → 04:0012:2648 min12:260 min7 May
Chicago06:03 → 06:0012:2448 min12:230 min7 May
Jersey City07:03 → 07:0012:2948 min12:290 min7 May
Port of Spain07:03 → 07:0011:3948 min11:390 min7 May
London12:03 → 12:0012:3448 min12:340 min7 May
Durban13:03 → 13:0011:280 min11:2848 min8 May
Dubai15:03 → 15:0011:520 min11:5148 min8 May
Delhi16:33 → 16:3011:540 min11:5448 min8 May
Kolkata16:33 → 16:3011:090 min11:0948 min8 May
Singapore19:03 → 19:0012:370 min12:3748 min8 May
Sydney21:03 → 21:0011:280 min11:2848 min8 May
Suva23:03 → 23:0011:390 min11:3948 min8 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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