Ruling · Guru Pūrṇimā · 1942

Monday 27 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 322 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 Monday 27 July

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 13:00  13:48 madhyāhna ends
12:1212:3613:0013:2413:4814:1214:36

48 of 48 minutes covered

Midday of Tuesday 28 July

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 13:00  13:48 madhyāhna ends
12:1212:3613:0013:2413:4814:1214:36

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 07:38 on Mon 27 Jul to 04:14 on Tue 28 Jul.

    1942-07-26T22:37:54Z → 1942-07-27T19:13:38Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 13:00–13:48 on the 27th, 13:00–13:48 on the 28th.

    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 27th and 0 of 48 on the 28th.

    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 19344 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 1942: Monday 27 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 1942 falls on Monday 27 July. Pūrṇimā runs from 07:38 on Mon 27 Jul to 04:14 on Tue 28 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1942/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 27 Jul
Ahargaṇa, classicalDisc centre, no refractionMon 27 Jul
compat-drikpanchangComparison profileMon 27 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 26thCoveredMadhyāhna 27thCoveredRuled
Los Angeles15:38 → 12:1412:350 min12:350 min27 Jul
Chicago17:38 → 14:1412:330 min12:3348 min27 Jul
Jersey City18:38 → 15:1412:380 min12:3848 min27 Jul
Port of Spain19:38 → 16:1412:480 min12:4848 min27 Jul
London00:38 → 21:1413:420 min13:4248 min27 Jul
Durban00:38 → 21:1411:380 min11:3848 min27 Jul
Dubai02:38 → 23:1412:010 min12:0148 min27 Jul
Delhi04:08 → 00:4412:030 min12:0348 min27 Jul
Kolkata04:08 → 00:4411:190 min11:1948 min27 Jul
Singapore07:38 → 04:1413:470 min13:4748 min27 Jul
Sydney08:38 → 05:1411:380 min11:3848 min27 Jul
Suva10:38 → 07:1411:490 min11:4948 min27 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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