Ruling · Guru Pūrṇimā · 2011

Thursday 14 July

Determinatein Multan, under the Rashtriya Panchang method. Clear of every threshold by 16 minutes.

Decide it for

MultanDelhiKolkataSingaporeSydneyJersey City

30°12′ N 71°29′ E · Asia/Karachi · GeoNames 1169825

The two middays

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

Midday of Thursday 14 July

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 11:56  12:44 madhyāhna ends
Pūrṇimā begins 12:14:47
11:0811:3211:5612:2012:4413:0813:32

29 of 48 minutes covered, the last 29

Midday of Friday 15 July

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:56  12:44 madhyāhna ends
Pūrṇimā ends 11:39:36
11:0811:3211:5612:2012:4413:0813:32

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 12:15 on Thu 14 Jul to 11:40 on Fri 15 Jul.

    2011-07-14T07:14:48Z → 2011-07-15T06:39:37Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:56–12:44 on the 14th, 11:56–12:44 on the 15th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pūrṇimā must be present during madhyāhna. It covers 29 of 48 minutes on the 14th and 0 of 48 on the 15th.

    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: paraviddha → only-day · margin 977 s

  5. 05

    Ruling

    Guru Pūrṇimā, Multan, 2011: Thursday 14 July.

    confidence: determinate

Say it like this

In Multan, Guru Pūrṇimā 2011 falls on Thursday 14 July. Pūrṇimā runs from 12:15 on Thu 14 Jul to 11:40 on Fri 15 Jul and covers 29 of 48 minutes of madhyāhna that midday.

ahargana.org/multan/festivals/2011/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 14 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 14 Jul
compat-drikpanchangComparison profileFri 15 Jul
No institution has a recorded ruling for Multan.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/guru-purnima · ruleset 2026.3-draft

Month
Āṣāḍha, amānta
Pakṣa · aṅga
Śukla · Pūrṇimā
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 102

“S 15 Guru purnima (paraviddha), Vyasa puja (paraviddha, 3 muhurtas after sunrise), Kokila vrata (sayahna vyapini). Siva sayanotsava (pradosavyapini).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePūrṇimāMadhyāhna 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles00:15 → 23:4012:3548 min12:350 min14 Jul
Chicago02:15 → 01:4012:3248 min12:320 min14 Jul
Jersey City03:15 → 02:4012:3848 min12:380 min14 Jul
Port of Spain03:15 → 02:4011:4848 min11:480 min14 Jul
London08:15 → 07:4012:4248 min12:420 min14 Jul
Durban09:15 → 08:4011:3848 min11:380 min14 Jul
Dubai11:15 → 10:4012:0148 min12:010 min14 Jul
Delhi12:45 → 12:1012:036 min12:037 min15 Jul
Kolkata12:45 → 12:1011:180 min11:1848 min15 Jul
Singapore15:15 → 14:4012:460 min12:4748 min15 Jul
Sydney17:15 → 16:4011:370 min11:3748 min15 Jul
Suva19:15 → 18:4011:480 min11:4848 min15 Jul
Profile · tradition
pac-rp@2026.1 · smarta
Rule
guru-purnima@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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