Ruling · Śaṅkara Jayantī (Shankaracharya Jayanti) · 2017

Sunday 30 April

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 342 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 Sunday 30 April

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

48 of 48 minutes covered

Midday of Monday 1 May

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
11:0411:2811:5212:1612:4013:0413:28

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 06:10 on Sun 30 Apr to 03:19 on Mon 1 May.

    2017-04-29T22:09:46Z → 2017-04-30T19:19:27Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 30th, 11:52–12:40 on the 1st.

    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 30th and 0 of 48 on the 1st.

    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 20515 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 2017: Sunday 30 April.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī (Shankaracharya Jayanti) 2017 falls on Sunday 30 April. Pañcamī runs from 06:10 on Sun 30 Apr to 03:19 on Mon 1 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2017/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 30 Apr
Ahargaṇa, classicalDisc centre, no refractionSun 30 Apr
compat-drikpanchangComparison profileSun 30 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 29thCoveredMadhyāhna 30thCoveredRuled
Los Angeles15:10 → 12:1912:260 min12:260 min30 Apr
Chicago17:10 → 14:1912:240 min12:2448 min30 Apr
Jersey City18:10 → 15:1912:300 min12:3048 min30 Apr
Port of Spain18:10 → 15:1911:390 min11:3948 min30 Apr
London23:10 → 20:1912:340 min12:3448 min30 Apr
Durban00:10 → 21:1911:290 min11:2948 min30 Apr
Dubai02:10 → 23:1911:520 min11:5248 min30 Apr
Delhi03:40 → 00:4911:550 min11:5448 min30 Apr
Kolkata03:40 → 00:4911:100 min11:1048 min30 Apr
Singapore06:10 → 03:1912:380 min12:3848 min30 Apr
Sydney08:10 → 05:1911:280 min11:2848 min30 Apr
Suva10:10 → 07:1911:400 min11:3948 min30 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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