Ruling · Guru Pūrṇimā · 1949

Sunday 10 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 174 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 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 Sunday 10 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 16:31 on Sat 9 Jul to 15:41 on Sun 10 Jul.

    1949-07-09T08:31:16Z → 1949-07-10T07:41:09Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 9th, 11:59–12:47 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 10442 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 1949: Sunday 10 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 1949 falls on Sunday 10 July. Pūrṇimā runs from 16:31 on Sat 9 Jul to 15:41 on Sun 10 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1949/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 10 Jul
Ahargaṇa, classicalDisc centre, no refractionSun 10 Jul
compat-drikpanchangComparison profileSun 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 Angeles00:31 → 23:4111:3448 min11:340 min9 Jul
Chicago03:31 → 02:4112:3148 min12:320 min9 Jul
Jersey City04:31 → 03:4112:3748 min12:370 min9 Jul
Port of Spain04:31 → 03:4111:4748 min11:470 min9 Jul
London09:31 → 08:4112:4148 min12:410 min9 Jul
Durban10:31 → 09:4111:3748 min11:370 min9 Jul
Dubai12:31 → 11:4112:0016 min12:000 min9 Jul
Delhi14:01 → 13:1112:020 min12:0248 min10 Jul
Kolkata14:01 → 13:1111:170 min11:1848 min10 Jul
Singapore16:01 → 15:1112:160 min12:1648 min10 Jul
Sydney18:31 → 17:4111:360 min11:3648 min10 Jul
Suva20:31 → 19:4111:470 min11:4748 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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