Ruling · Guru Pūrṇimā · 1953

Sunday 26 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 452 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 Saturday 25 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

Midday of Sunday 26 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 22:56 on Sat 25 Jul to 20:21 on Sun 26 Jul.

    1953-07-25T14:56:21Z → 1953-07-26T12:20:35Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 25th, 12:00–12:48 on the 26th.

    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 25th and 48 of 48 on the 26th.

    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 27137 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 1953: Sunday 26 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 1953 falls on Sunday 26 July. Pūrṇimā runs from 22:56 on Sat 25 Jul to 20:21 on Sun 26 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1953/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 26 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 26 Jul
compat-drikpanchangComparison profileSun 26 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 25thCoveredMadhyāhna 26thCoveredRuled
Los Angeles07:56 → 05:2112:3548 min12:350 min25 Jul
Chicago09:56 → 07:2112:3348 min12:330 min25 Jul
Jersey City10:56 → 08:2112:3848 min12:380 min25 Jul
Port of Spain10:56 → 08:2111:4848 min11:480 min25 Jul
London15:56 → 13:2112:420 min12:4238 min26 Jul
Durban16:56 → 14:2111:380 min11:3848 min26 Jul
Dubai18:56 → 16:2112:010 min12:0148 min26 Jul
Delhi20:26 → 17:5112:030 min12:0348 min26 Jul
Kolkata20:26 → 17:5111:190 min11:1948 min26 Jul
Singapore22:26 → 19:5112:170 min12:1748 min26 Jul
Sydney00:56 → 22:2111:380 min11:3848 min26 Jul
Suva02:56 → 00:2111:490 min11:4948 min26 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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