Ruling · Guru Pūrṇimā · 2070

Wednesday 23 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 48 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 22 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

Midday of Wednesday 23 July

Taken. The only midday Pūrṇimā reaches.

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

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 13:37 on Tue 22 Jul to 15:03 on Wed 23 Jul.

    2070-07-22T05:37:07Z → 2070-07-23T07:02:59Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 22nd, 12:01–12:49 on the 23rd.

    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 22nd and 48 of 48 on the 23rd.

    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 2906 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 2070: Wednesday 23 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 2070 falls on Wednesday 23 July. Pūrṇimā runs from 13:37 on Tue 22 Jul to 15:03 on Wed 23 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2070/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 23 Jul
Ahargaṇa, classicalDisc centre, no refractionWed 23 Jul
compat-drikpanchangComparison profileWed 23 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 22ndCoveredMadhyāhna 23rdCoveredRuled
Los Angeles22:37 → 00:0312:3648 min12:360 min22 Jul
Chicago00:37 → 02:0312:3348 min12:330 min22 Jul
Jersey City01:37 → 03:0312:3948 min12:390 min22 Jul
Port of Spain01:37 → 03:0311:4948 min11:490 min22 Jul
London06:37 → 08:0312:4348 min12:430 min22 Jul
Durban07:37 → 09:0311:3948 min11:390 min22 Jul
Dubai09:37 → 11:0312:0148 min12:010 min22 Jul
Delhi11:07 → 12:3312:0448 min12:0429 min23 Jul
Kolkata11:07 → 12:3311:1948 min11:1948 min23 Jul
Singapore13:37 → 15:0312:470 min12:4748 min23 Jul
Sydney15:37 → 17:0311:380 min11:3848 min23 Jul
Suva17:37 → 19:0311:490 min11:4948 min23 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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