Ruling · Guru Pūrṇimā · 1943

Saturday 17 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 454 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 Friday 16 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 Saturday 17 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 01:05 on Sat 17 Jul to 21:22 on Sat 17 Jul.

    1943-07-16T16:04:39Z → 1943-07-17T12:21:30Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 13:00–13:48 on the 16th, 13:00–13:48 on the 17th.

    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 16th and 48 of 48 on the 17th.

    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 27219 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 1943: Saturday 17 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 1943 falls on Saturday 17 July. Pūrṇimā runs from 01:05 on Sat 17 Jul to 21:22 on Sat 17 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1943/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 17 Jul
Ahargaṇa, classicalDisc centre, no refractionSat 17 Jul
compat-drikpanchangComparison profileSat 17 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 16thCoveredMadhyāhna 17thCoveredRuled
Los Angeles09:05 → 05:2212:3548 min12:350 min16 Jul
Chicago11:05 → 07:2212:3248 min12:320 min16 Jul
Jersey City12:05 → 08:2212:3848 min12:380 min16 Jul
Port of Spain13:05 → 09:2212:4831 min12:480 min16 Jul
London18:05 → 14:2213:420 min13:4239 min17 Jul
Durban18:05 → 14:2211:380 min11:3848 min17 Jul
Dubai20:05 → 16:2212:000 min12:0148 min17 Jul
Delhi22:35 → 18:5213:030 min13:0348 min17 Jul
Kolkata22:35 → 18:5212:180 min12:1848 min17 Jul
Singapore01:05 → 21:2213:460 min13:4748 min17 Jul
Sydney02:05 → 22:2211:370 min11:3748 min17 Jul
Suva04:05 → 00:2211:480 min11:4848 min17 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

About Ahargaṇa