Ruling · Guru Pūrṇimā · 2028

Thursday 6 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 588 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 Thursday 6 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

Midday of Friday 7 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 01:34 on Thu 6 Jul to 02:11 on Fri 7 Jul.

    2028-07-05T17:34:24Z → 2028-07-06T18:10:49Z

  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 48 of 48 minutes on the 6th and 0 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 35291 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 2028: Thursday 6 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 2028 falls on Thursday 6 July. Pūrṇimā runs from 01:34 on Thu 6 Jul to 02:11 on Fri 7 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2028/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 6 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 6 Jul
compat-drikpanchangComparison profileThu 6 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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles10:34 → 11:1112:3448 min12:340 min5 Jul
Chicago12:34 → 13:1112:3145 min12:3139 min6 Jul
Jersey City13:34 → 14:1112:370 min12:3748 min6 Jul
Port of Spain13:34 → 14:1111:470 min11:4748 min6 Jul
London18:34 → 19:1112:410 min12:4148 min6 Jul
Durban19:34 → 20:1111:370 min11:3748 min6 Jul
Dubai21:34 → 22:1111:590 min12:0048 min6 Jul
Delhi23:04 → 23:4112:020 min12:0248 min6 Jul
Kolkata23:04 → 23:4111:170 min11:1748 min6 Jul
Singapore01:34 → 02:1112:450 min12:4548 min6 Jul
Sydney03:34 → 04:1111:360 min11:3648 min6 Jul
Suva05:34 → 06:1111:470 min11:4748 min6 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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