Ruling · Guru Pūrṇimā · 2021

Friday 23 July

Determinatein Bucharest, under the Rashtriya Panchang method. Clear of every threshold by 284 minutes.

Decide it for

BucharestDelhiKolkataSingaporeSydneyJersey City

44°26′ N 26°06′ E · Europe/Bucharest · GeoNames 683506

The two middays

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

Midday of Friday 23 July

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 12:58  13:46 madhyāhna ends
12:1012:3412:5813:2213:4614:1014:34

48 of 48 minutes covered

Midday of Saturday 24 July

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 12:58  13:46 madhyāhna ends
12:1012:3412:5813:2213:4614:1014:34

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 08:14 on Fri 23 Jul to 05:37 on Sat 24 Jul.

    2021-07-23T05:13:49Z → 2021-07-24T02:36:55Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:58–13:46 on the 23rd, 12:58–13:46 on the 24th.

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

  3. 03

    Rule

    Pūrṇimā must be present during madhyāhna. It covers 48 of 48 minutes on the 23rd and 0 of 48 on the 24th.

    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 17038 s

  5. 05

    Ruling

    Guru Pūrṇimā, Bucharest, 2021: Friday 23 July.

    confidence: determinate

Say it like this

In Bucharest, Guru Pūrṇimā 2021 falls on Friday 23 July. Pūrṇimā runs from 08:14 on Fri 23 Jul to 05:37 on Sat 24 Jul and covers all of madhyāhna that midday.

ahargana.org/bucharest/festivals/2021/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 23 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 23 Jul
compat-drikpanchangComparison profileFri 23 Jul
No institution has a recorded ruling for Bucharest.

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 23rdCoveredMadhyāhna 24thCoveredRuled
Los Angeles22:14 → 19:3712:3548 min12:350 min23 Jul
Chicago00:14 → 21:3712:3348 min12:330 min23 Jul
Jersey City01:14 → 22:3712:3948 min12:390 min23 Jul
Port of Spain01:14 → 22:3711:4948 min11:490 min23 Jul
London06:14 → 03:3712:4348 min12:430 min23 Jul
Durban07:14 → 04:3711:3948 min11:390 min23 Jul
Dubai09:14 → 06:3712:0148 min12:010 min23 Jul
Delhi10:44 → 08:0712:0348 min12:030 min23 Jul
Kolkata10:44 → 08:0711:1948 min11:190 min23 Jul
Singapore13:14 → 10:3712:4721 min12:470 min23 Jul
Sydney15:14 → 12:3711:380 min11:3848 min24 Jul
Suva17:14 → 14:3711:490 min11:4948 min24 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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