Ruling · Guru Pūrṇimā · 2007

Sunday 29 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 135 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 Sunday 29 July

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

48 of 48 minutes covered

Midday of Monday 30 July

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

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 09:45 on Sun 29 Jul to 08:48 on Mon 30 Jul.

    2007-07-29T01:45:28Z → 2007-07-30T00:47:45Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 29th, 12:00–12:48 on the 30th.

    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 29th and 0 of 48 on the 30th.

    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 8095 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 2007: Sunday 29 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 2007 falls on Sunday 29 July. Pūrṇimā runs from 09:45 on Sun 29 Jul to 08:48 on Mon 30 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2007/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 29 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 29 Jul
compat-drikpanchangComparison profileSun 29 Jul
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/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 29thCoveredMadhyāhna 30thCoveredRuled
Los Angeles18:45 → 17:4812:3548 min12:350 min29 Jul
Chicago20:45 → 19:4812:3348 min12:330 min29 Jul
Jersey City21:45 → 20:4812:3948 min12:380 min29 Jul
Port of Spain21:45 → 20:4811:4948 min11:480 min29 Jul
London02:45 → 01:4812:4348 min12:420 min29 Jul
Durban03:45 → 02:4811:3948 min11:380 min29 Jul
Dubai05:45 → 04:4812:0148 min12:010 min29 Jul
Delhi07:15 → 06:1812:0348 min12:030 min29 Jul
Kolkata07:15 → 06:1811:1948 min11:190 min29 Jul
Singapore09:45 → 08:4812:4748 min12:470 min29 Jul
Sydney11:45 → 10:4811:3840 min11:380 min29 Jul
Suva13:45 → 12:4811:490 min11:4948 min30 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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