Ruling · Guru Pūrṇimā · 2092

Friday 18 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 33 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 18 July

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 12:01  12:49 madhyāhna ends
Pūrṇimā begins 11:28:11
11:1311:3712:0112:2512:4913:1313:37

48 of 48 minutes covered

Midday of Saturday 19 July

Pūrṇimā is absent from madhyāhna. Not taken.

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 11:28 on Fri 18 Jul to 08:26 on Sat 19 Jul.

    2092-07-18T03:28:11Z → 2092-07-19T00:25:47Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 18th, 12:01–12:49 on the 19th.

    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 18th and 0 of 48 on the 19th.

    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 1952 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 2092: Friday 18 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 2092 falls on Friday 18 July. Pūrṇimā runs from 11:28 on Fri 18 Jul to 08:26 on Sat 19 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2092/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 18 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 18 Jul
compat-drikpanchangComparison profileFri 18 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 18thCoveredMadhyāhna 19thCoveredRuled
Los Angeles20:28 → 17:2612:3648 min12:360 min18 Jul
Chicago22:28 → 19:2612:3348 min12:330 min18 Jul
Jersey City23:28 → 20:2612:3948 min12:390 min18 Jul
Port of Spain23:28 → 20:2611:4948 min11:490 min18 Jul
London04:28 → 01:2612:4348 min12:430 min18 Jul
Durban05:28 → 02:2611:3948 min11:390 min18 Jul
Dubai07:28 → 04:2612:0148 min12:010 min18 Jul
Delhi08:58 → 05:5612:0448 min12:040 min18 Jul
Kolkata08:58 → 05:5611:1948 min11:190 min18 Jul
Singapore11:28 → 08:2612:4748 min12:470 min18 Jul
Sydney13:28 → 10:2611:380 min11:380 min19 Jul
Suva15:28 → 12:2611:490 min11:4937 min19 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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