Ruling · Guru Pūrṇimā · 2087

Tuesday 15 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 485 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 15 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 Wednesday 16 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 03:30 on Tue 15 Jul to 03:56 on Wed 16 Jul.

    2087-07-14T19:30:05Z → 2087-07-15T19:55:43Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 15th, 12:00–12:48 on the 16th.

    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 15th and 0 of 48 on the 16th.

    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 29085 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 2087: Tuesday 15 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 2087 falls on Tuesday 15 July. Pūrṇimā runs from 03:30 on Tue 15 Jul to 03:56 on Wed 16 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2087/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 15 Jul
Ahargaṇa, classicalDisc centre, no refractionTue 15 Jul
compat-drikpanchangComparison profileTue 15 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles12:30 → 12:5612:3548 min12:3520 min15 Jul
Chicago14:30 → 14:5612:330 min12:3348 min15 Jul
Jersey City15:30 → 15:5612:380 min12:3948 min15 Jul
Port of Spain15:30 → 15:5611:480 min11:4948 min15 Jul
London20:30 → 20:5612:420 min12:4348 min15 Jul
Durban21:30 → 21:5611:380 min11:3848 min15 Jul
Dubai23:30 → 23:5612:010 min12:0148 min15 Jul
Delhi01:00 → 01:2612:030 min12:0348 min15 Jul
Kolkata01:00 → 01:2611:190 min11:1948 min15 Jul
Singapore03:30 → 03:5612:470 min12:4748 min15 Jul
Sydney05:30 → 05:5611:380 min11:3848 min15 Jul
Suva07:30 → 07:5611:490 min11:4948 min15 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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