Ruling · Guru Pūrṇimā · 2063

Tuesday 10 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 458 minutes.

Decide it for

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 Monday 9 July

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:59  12:47 madhyāhna ends
11:1111:3511:5912:2312:4713:1113:35

0 of 48 minutes covered

Midday of Tuesday 10 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 20:25 on Mon 9 Jul to 21:49 on Tue 10 Jul.

    2063-07-09T12:25:14Z → 2063-07-10T13:48:31Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 9th, 12:00–12:48 on the 10th.

    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 9th and 48 of 48 on the 10th.

    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 27468 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 2063: Tuesday 10 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 2063 falls on Tuesday 10 July. Pūrṇimā runs from 20:25 on Mon 9 Jul to 21:49 on Tue 10 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2063/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 10 Jul
Ahargaṇa, classicalDisc centre, no refractionTue 10 Jul
compat-drikpanchangComparison profileTue 10 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 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles05:25 → 06:4912:3448 min12:350 min9 Jul
Chicago07:25 → 08:4912:3248 min12:320 min9 Jul
Jersey City08:25 → 09:4912:3848 min12:380 min9 Jul
Port of Spain08:25 → 09:4911:4848 min11:480 min9 Jul
London13:25 → 14:4912:424 min12:4248 min10 Jul
Durban14:25 → 15:4911:370 min11:3848 min10 Jul
Dubai16:25 → 17:4912:000 min12:0048 min10 Jul
Delhi17:55 → 19:1912:020 min12:0348 min10 Jul
Kolkata17:55 → 19:1911:180 min11:1848 min10 Jul
Singapore20:25 → 21:4912:460 min12:4648 min10 Jul
Sydney22:25 → 23:4911:370 min11:3748 min10 Jul
Suva00:25 → 01:4911:480 min11:4848 min10 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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