Ruling · Guru Pūrṇimā · 2003

Sunday 13 July

Determinatein Bucharest, under the Rashtriya Panchang method. Clear of every threshold by 516 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 Saturday 12 July

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 12:57  13:45 madhyāhna ends
12:0912:3312:5713:2113:4514:0914:33

0 of 48 minutes covered

Midday of Sunday 13 July

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 12:57  13:45 madhyāhna ends
12:0912:3312:5713:2113:4514:0914:33

48 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 00:51 on Sun 13 Jul to 22:21 on Sun 13 Jul.

    2003-07-12T21:50:37Z → 2003-07-13T19:21:24Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:57–13:45 on the 12th, 12:57–13:45 on the 13th.

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

  3. 03

    Rule

    Pūrṇimā must be present during madhyāhna. It covers 0 of 48 minutes on the 12th and 48 of 48 on the 13th.

    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 30981 s

  5. 05

    Ruling

    Guru Pūrṇimā, Bucharest, 2003: Sunday 13 July.

    confidence: determinate

Say it like this

In Bucharest, Guru Pūrṇimā 2003 falls on Sunday 13 July. Pūrṇimā runs from 00:51 on Sun 13 Jul to 22:21 on Sun 13 Jul and covers all of madhyāhna that midday.

ahargana.org/bucharest/festivals/2003/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 13 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 13 Jul
compat-drikpanchangComparison profileSun 13 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 12thCoveredMadhyāhna 13thCoveredRuled
Los Angeles14:51 → 12:2112:340 min12:350 min13 Jul
Chicago16:51 → 14:2112:320 min12:3248 min13 Jul
Jersey City17:51 → 15:2112:380 min12:3848 min13 Jul
Port of Spain17:51 → 15:2111:480 min11:4848 min13 Jul
London22:51 → 20:2112:420 min12:4248 min13 Jul
Durban23:51 → 21:2111:380 min11:3848 min13 Jul
Dubai01:51 → 23:2112:000 min12:0048 min13 Jul
Delhi03:21 → 00:5112:030 min12:0348 min13 Jul
Kolkata03:21 → 00:5111:180 min11:1848 min13 Jul
Singapore05:51 → 03:2112:460 min12:4648 min13 Jul
Sydney07:51 → 05:2111:370 min11:3748 min13 Jul
Suva09:51 → 07:2111:480 min11:4848 min13 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

About Ahargaṇa