Ruling · Guru Pūrṇimā · 2043

Tuesday 21 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 Tuesday 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

Midday of Wednesday 22 July

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 12:00  12:48 madhyāhna ends
Pūrṇimā ends 11:24:16
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 10:45 on Tue 21 Jul to 11:24 on Wed 22 Jul.

    2043-07-21T02:45:20Z → 2043-07-22T03:24:17Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 21st, 12:00–12:48 on the 22nd.

    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 21st and 0 of 48 on the 22nd.

    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 2172 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 2043: Tuesday 21 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 2043 falls on Tuesday 21 July. Pūrṇimā runs from 10:45 on Tue 21 Jul to 11:24 on Wed 22 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2043/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 21 Jul
Ahargaṇa, classicalDisc centre, no refractionTue 21 Jul
compat-drikpanchangComparison profileWed 22 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 21stCoveredMadhyāhna 22ndCoveredRuled
Los Angeles19:45 → 20:2412:3548 min12:350 min21 Jul
Chicago21:45 → 22:2412:3348 min12:330 min21 Jul
Jersey City22:45 → 23:2412:3948 min12:390 min21 Jul
Port of Spain22:45 → 23:2411:4948 min11:490 min21 Jul
London03:45 → 04:2412:4348 min12:430 min21 Jul
Durban04:45 → 05:2411:3948 min11:390 min21 Jul
Dubai06:45 → 07:2412:0148 min12:010 min21 Jul
Delhi08:15 → 08:5412:0348 min12:030 min21 Jul
Kolkata08:15 → 08:5411:1948 min11:190 min21 Jul
Singapore10:45 → 11:2412:4748 min12:470 min21 Jul
Sydney12:45 → 13:2411:380 min11:3848 min22 Jul
Suva14:45 → 15:2411:490 min11:4948 min22 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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