Ruling · Guru Pūrṇimā · 2054

Sunday 19 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 613 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 Sunday 19 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 Monday 20 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 23:49 on Sat 18 Jul to 01:47 on Mon 20 Jul.

    2054-07-18T15:48:40Z → 2054-07-19T17:47:24Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 19th, 12:00–12:48 on the 20th.

    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 19th and 0 of 48 on the 20th.

    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 36784 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 2054: Sunday 19 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 2054 falls on Sunday 19 July. Pūrṇimā runs from 23:49 on Sat 18 Jul to 01:47 on Mon 20 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2054/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 19 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 19 Jul
compat-drikpanchangComparison profileSun 19 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 Angeles08:49 → 10:4712:3548 min12:350 min18 Jul
Chicago10:49 → 12:4712:3348 min12:3315 min19 Jul
Jersey City11:49 → 13:4712:3948 min12:3948 min19 Jul
Port of Spain11:49 → 13:4711:4848 min11:4948 min19 Jul
London16:49 → 18:4712:430 min12:4348 min19 Jul
Durban17:49 → 19:4711:380 min11:3848 min19 Jul
Dubai19:49 → 21:4712:010 min12:0148 min19 Jul
Delhi21:19 → 23:1712:030 min12:0348 min19 Jul
Kolkata21:19 → 23:1711:190 min11:1948 min19 Jul
Singapore23:49 → 01:4712:470 min12:4748 min19 Jul
Sydney01:49 → 03:4711:380 min11:3848 min19 Jul
Suva03:49 → 05:4711:490 min11:4948 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

About Ahargaṇa