Ruling · Śaṅkara Jayantī · 2008

Friday 9 May

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 319 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Friday 9 May

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:13  12:01 madhyāhna ends
10:2510:4911:1311:3712:0112:2512:49

48 of 48 minutes covered

Midday of Saturday 10 May

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:13  12:01 madhyāhna ends
10:2510:4911:1311:3712:0112:2512:49

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 05:54 on Fri 9 May to 03:18 on Sat 10 May.

    2008-05-08T21:54:16Z → 2008-05-09T19:17:49Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:13–12:01 on the 9th, 11:13–12:01 on the 10th.

    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 9th and 0 of 48 on the 10th.

    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 19115 s

  5. 05

    Ruling

    Śaṅkara Jayantī, Daqing, 2008: Friday 9 May.

    confidence: determinate

Say it like this

In Daqing, Śaṅkara Jayantī 2008 falls on Friday 9 May. Pañcamī runs from 05:54 on Fri 9 May to 03:18 on Sat 10 May and covers all of madhyāhna that midday.

ahargana.org/daqing/festivals/2008/shankara-jayanti · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 9 May
Ahargaṇa, classicalDisc centre, no refractionFri 9 May
compat-drikpanchangComparison profileFri 9 May
No institution has a recorded ruling for Daqing.

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 8thCoveredMadhyāhna 9thCoveredRuled
Los Angeles14:54 → 12:1812:260 min12:260 min9 May
Chicago16:54 → 14:1812:230 min12:2348 min9 May
Jersey City17:54 → 15:1812:290 min12:2948 min9 May
Port of Spain17:54 → 15:1811:390 min11:3948 min9 May
London22:54 → 20:1812:340 min12:3348 min9 May
Durban23:54 → 21:1811:280 min11:2848 min9 May
Dubai01:54 → 23:1811:510 min11:5148 min9 May
Delhi03:24 → 00:4811:540 min11:5448 min9 May
Kolkata03:24 → 00:4811:090 min11:0948 min9 May
Singapore05:54 → 03:1812:370 min12:3748 min9 May
Sydney07:54 → 05:1811:270 min11:2748 min9 May
Suva09:54 → 07:1811:390 min11:3948 min9 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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