Ruling · Guru Pūrṇimā · 1940

Friday 19 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 307 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 18 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

Midday of Friday 19 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 18:59 on Thu 18 Jul to 18:55 on Fri 19 Jul.

    1940-07-18T09:59:17Z → 1940-07-19T09:55:17Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 13:00–13:48 on the 18th, 13:00–13:48 on the 19th.

    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 18th and 48 of 48 on the 19th.

    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 18433 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 1940: Friday 19 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 1940 falls on Friday 19 July. Pūrṇimā runs from 18:59 on Thu 18 Jul to 18:55 on Fri 19 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1940/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 19 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 19 Jul
compat-drikpanchangComparison profileFri 19 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 18thCoveredMadhyāhna 19thCoveredRuled
Los Angeles01:59 → 01:5511:3548 min11:350 min18 Jul
Chicago04:59 → 04:5512:3248 min12:330 min18 Jul
Jersey City05:59 → 05:5512:3848 min12:380 min18 Jul
Port of Spain05:59 → 05:5511:4848 min11:480 min18 Jul
London10:59 → 10:5512:4248 min12:420 min18 Jul
Durban11:59 → 11:5511:3827 min11:3817 min19 Jul
Dubai13:59 → 13:5512:010 min12:0148 min19 Jul
Delhi15:29 → 15:2512:030 min12:0348 min19 Jul
Kolkata15:29 → 15:2511:190 min11:1948 min19 Jul
Singapore17:19 → 17:1512:070 min12:0748 min19 Jul
Sydney19:59 → 19:5511:370 min11:3748 min19 Jul
Suva21:59 → 21:5511:480 min11:4848 min19 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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