Ruling · Guru Pūrṇimā · 2066

Wednesday 7 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 288 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 Tuesday 6 July

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

0 of 48 minutes covered

Midday of Wednesday 7 July

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

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 21:19 on Tue 6 Jul to 17:35 on Wed 7 Jul.

    2066-07-06T13:19:03Z → 2066-07-07T09:35:28Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 6th, 11:59–12:47 on the 7th.

    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 6th and 48 of 48 on the 7th.

    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 17295 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 2066: Wednesday 7 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 2066 falls on Wednesday 7 July. Pūrṇimā runs from 21:19 on Tue 6 Jul to 17:35 on Wed 7 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2066/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 7 Jul
Ahargaṇa, classicalDisc centre, no refractionWed 7 Jul
compat-drikpanchangComparison profileWed 7 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 6thCoveredMadhyāhna 7thCoveredRuled
Los Angeles06:19 → 02:3512:3448 min12:340 min6 Jul
Chicago08:19 → 04:3512:3248 min12:320 min6 Jul
Jersey City09:19 → 05:3512:3748 min12:370 min6 Jul
Port of Spain09:19 → 05:3511:4748 min11:470 min6 Jul
London14:19 → 10:3512:410 min12:410 min7 Jul
Durban15:19 → 11:3511:370 min11:370 min7 Jul
Dubai17:19 → 13:3512:000 min12:0048 min7 Jul
Delhi18:49 → 15:0512:020 min12:0248 min7 Jul
Kolkata18:49 → 15:0511:180 min11:1848 min7 Jul
Singapore21:19 → 17:3512:460 min12:4648 min7 Jul
Sydney23:19 → 19:3511:360 min11:3648 min7 Jul
Suva01:19 → 21:3511:470 min11:4848 min7 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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