Ruling · Guru Pūrṇimā · 2059

Friday 25 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 36 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 24 July

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 12:01  12:49 madhyāhna ends
Pūrṇimā begins 13:24:14
11:1311:3712:0112:2512:4913:1313:37

0 of 48 minutes covered

Midday of Friday 25 July

Taken. Pūrṇimā reaches neither midday; the rule takes the second day.

madhyāhna begins 12:01  12:49 madhyāhna ends
11:1311:3712:0112:2512:4913:1313:37

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 13:24 on Thu 24 Jul to 10:24 on Fri 25 Jul.

    2059-07-24T05:24:14Z → 2059-07-25T02:24:19Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 24th, 12:01–12:49 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 0 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

    Neither midday qualifies. The rule takes the second day.

    priority: paraviddha → second-day · margin 2137 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 2059: Friday 25 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 2059 falls on Friday 25 July. Pūrṇimā runs from 13:24 on Thu 24 Jul to 10:24 on Fri 25 Jul, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/2059/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 25 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 25 Jul
compat-drikpanchangComparison profileThu 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 Angeles22:24 → 19:2412:3648 min12:360 min24 Jul
Chicago00:24 → 21:2412:3348 min12:330 min24 Jul
Jersey City01:24 → 22:2412:3948 min12:390 min24 Jul
Port of Spain01:24 → 22:2411:4948 min11:490 min24 Jul
London06:24 → 03:2412:4348 min12:430 min24 Jul
Durban07:24 → 04:2411:3948 min11:390 min24 Jul
Dubai09:24 → 06:2412:0148 min12:010 min24 Jul
Delhi10:54 → 07:5412:0448 min12:040 min24 Jul
Kolkata10:54 → 07:5411:1948 min11:190 min24 Jul
Singapore13:24 → 10:2412:4711 min12:470 min24 Jul
Sydney15:24 → 12:2411:380 min11:3846 min25 Jul
Suva17:24 → 14:2411:490 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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