Ruling · Guru Pūrṇimā · 1922

Saturday 8 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 52 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 Saturday 8 July

Taken. The only midday Pūrṇimā reaches.

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

48 of 48 minutes covered

Midday of Sunday 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

Pūrṇimā presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 11:01 on Sat 8 Jul to 11:07 on Sun 9 Jul.

    1922-07-08T03:00:51Z → 1922-07-09T03:06:54Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 8th, 11:59–12:47 on the 9th.

    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 8th and 0 of 48 on the 9th.

    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 3116 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 1922: Saturday 8 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 1922 falls on Saturday 8 July. Pūrṇimā runs from 11:01 on Sat 8 Jul to 11:07 on Sun 9 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1922/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 8 Jul
Ahargaṇa, classicalDisc centre, no refractionSat 8 Jul
compat-drikpanchangComparison profileSun 9 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 8thCoveredMadhyāhna 9thCoveredRuled
Los Angeles19:01 → 19:0711:3448 min11:340 min8 Jul
Chicago22:01 → 22:0712:3148 min12:310 min8 Jul
Jersey City23:01 → 23:0712:3748 min12:370 min8 Jul
Port of Spain23:01 → 23:0711:4748 min11:470 min8 Jul
London04:01 → 04:0712:4148 min12:410 min8 Jul
Durban05:01 → 05:0711:3748 min11:370 min8 Jul
Dubai07:01 → 07:0711:5948 min12:000 min8 Jul
Delhi08:31 → 08:3712:0248 min12:020 min8 Jul
Kolkata08:31 → 08:3711:1748 min11:170 min8 Jul
Singapore10:01 → 10:0711:4548 min11:450 min8 Jul
Sydney13:01 → 13:0711:360 min11:3648 min9 Jul
Suva15:01 → 15:0711:470 min11:4748 min9 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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