Ruling · Guru Pūrṇimā · 2024

Sunday 21 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 329 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 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

Midday of Sunday 21 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 20:30 on Sat 20 Jul to 18:17 on Sun 21 Jul.

    2024-07-20T12:30:01Z → 2024-07-21T10:17:09Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 20th, 12:00–12:48 on the 21st.

    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 20th and 48 of 48 on the 21st.

    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 19727 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 2024: Sunday 21 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 2024 falls on Sunday 21 July. Pūrṇimā runs from 20:30 on Sat 20 Jul to 18:17 on Sun 21 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2024/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 21 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 21 Jul
compat-drikpanchangComparison profileSun 21 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 20thCoveredMadhyāhna 21stCoveredRuled
Los Angeles05:30 → 03:1712:3548 min12:350 min20 Jul
Chicago07:30 → 05:1712:3348 min12:330 min20 Jul
Jersey City08:30 → 06:1712:3848 min12:390 min20 Jul
Port of Spain08:30 → 06:1711:4848 min11:490 min20 Jul
London13:30 → 11:1712:430 min12:430 min20 Jul
Durban14:30 → 12:1711:380 min11:3839 min21 Jul
Dubai16:30 → 14:1712:010 min12:0148 min21 Jul
Delhi18:00 → 15:4712:030 min12:0348 min21 Jul
Kolkata18:00 → 15:4711:190 min11:1948 min21 Jul
Singapore20:30 → 18:1712:470 min12:4748 min21 Jul
Sydney22:30 → 20:1711:380 min11:3848 min21 Jul
Suva00:30 → 22:1711:490 min11:4948 min21 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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