Ruling · Guru Pūrṇimā · 1945

Tuesday 24 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 44 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 24 July

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 13:00  13:48 madhyāhna ends
Pūrṇimā begins 12:16:07
12:1212:3613:0013:2413:4814:1214:36

48 of 48 minutes covered

Midday of Wednesday 25 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 12:16 on Tue 24 Jul to 11:25 on Wed 25 Jul.

    1945-07-24T03:16:07Z → 1945-07-25T02:25:27Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 13:00–13:48 on the 24th, 13:00–13:48 on the 25th.

    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 24th and 0 of 48 on the 25th.

    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 2648 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 1945: Tuesday 24 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 1945 falls on Tuesday 24 July. Pūrṇimā runs from 12:16 on Tue 24 Jul to 11:25 on Wed 25 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1945/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 24 Jul
Ahargaṇa, classicalDisc centre, no refractionTue 24 Jul
compat-drikpanchangComparison profileTue 24 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 24thCoveredMadhyāhna 25thCoveredRuled
Los Angeles20:16 → 19:2512:3548 min12:350 min24 Jul
Chicago22:16 → 21:2512:3348 min12:330 min24 Jul
Jersey City23:16 → 22:2512:3848 min12:380 min24 Jul
Port of Spain00:16 → 23:2512:4848 min12:480 min24 Jul
London04:16 → 03:2512:4248 min12:420 min24 Jul
Durban05:16 → 04:2511:3848 min11:380 min24 Jul
Dubai07:16 → 06:2512:0148 min12:010 min24 Jul
Delhi09:46 → 08:5513:0348 min13:030 min24 Jul
Kolkata09:46 → 08:5512:1948 min12:190 min24 Jul
Singapore12:16 → 11:2513:4748 min13:470 min24 Jul
Sydney13:16 → 12:2511:380 min11:3848 min25 Jul
Suva15:16 → 14:2511:490 min11:4948 min25 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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