Ruling · Śaṅkara Jayantī (Shankaracharya Jayanti) · 1960

Sunday 1 May

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 23 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 30 April

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
Pañcamī begins 13:02:26
11:0411:2811:5212:1612:4013:0413:28

0 of 48 minutes covered

Midday of Sunday 1 May

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

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

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 13:02 on Sat 30 Apr to 15:29 on Sun 1 May.

    1960-04-30T05:02:26Z → 1960-05-01T07:28:59Z

  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 0 of 48 minutes on the 30th and 48 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 1365 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Baoding, 1960: Sunday 1 May.

    confidence: determinate

Say it like this

In Baoding, Śaṅkara Jayantī (Shankaracharya Jayanti) 1960 falls on Sunday 1 May. Pañcamī runs from 13:02 on Sat 30 Apr to 15:29 on Sun 1 May and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1960/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 1 May
Ahargaṇa, classicalDisc centre, no refractionSun 1 May
compat-drikpanchangComparison profileSun 1 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 30thCoveredMadhyāhna 1stCoveredRuled
Los Angeles22:02 → 00:2912:2648 min12:260 min30 Apr
Chicago00:02 → 02:2912:2448 min12:240 min30 Apr
Jersey City01:02 → 03:2912:3048 min12:300 min30 Apr
Port of Spain01:02 → 03:2911:3948 min11:390 min30 Apr
London06:02 → 08:2912:3448 min12:340 min30 Apr
Durban07:02 → 09:2911:2948 min11:290 min30 Apr
Dubai09:02 → 11:2911:5248 min11:520 min30 Apr
Delhi10:32 → 12:5911:5448 min11:5448 min30 Apr
Kolkata10:32 → 12:5911:1048 min11:1048 min30 Apr
Singapore12:32 → 14:5912:0823 min12:0848 min1 May
Sydney15:02 → 17:2911:280 min11:2848 min1 May
Suva17:02 → 19:2911:390 min11:3948 min1 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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