Ruling · Guru Pūrṇimā · 1954

Thursday 15 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 209 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 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 Friday 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 08:31 on Thu 15 Jul to 08:29 on Fri 16 Jul.

    1954-07-15T00:31:05Z → 1954-07-16T00:29:01Z

  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 12518 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 1954: Thursday 15 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 1954 falls on Thursday 15 July. Pūrṇimā runs from 08:31 on Thu 15 Jul to 08:29 on Fri 16 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1954/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 15 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 15 Jul
compat-drikpanchangComparison profileThu 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 15thCoveredMadhyāhna 16thCoveredRuled
Los Angeles17:31 → 17:2912:3548 min12:350 min15 Jul
Chicago19:31 → 19:2912:3248 min12:320 min15 Jul
Jersey City20:31 → 20:2912:3848 min12:380 min15 Jul
Port of Spain20:31 → 20:2911:4848 min11:480 min15 Jul
London01:31 → 01:2912:4248 min12:420 min15 Jul
Durban02:31 → 02:2911:3848 min11:380 min15 Jul
Dubai04:31 → 04:2912:0048 min12:010 min15 Jul
Delhi06:01 → 05:5912:0348 min12:030 min15 Jul
Kolkata06:01 → 05:5911:1848 min11:180 min15 Jul
Singapore08:01 → 07:5912:1648 min12:160 min15 Jul
Sydney10:31 → 10:2911:3748 min11:370 min15 Jul
Suva12:31 → 12:2911:485 min11:4841 min16 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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