Ruling · Guru Pūrṇimā · 1906

Friday 6 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 19 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 Thursday 5 July

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 11:58  12:46 madhyāhna ends
11:1011:3411:5812:2212:4613:1013:34

0 of 48 minutes covered

Midday of Friday 6 July

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 11:58  12:46 madhyāhna ends
Pūrṇimā ends 12:27:22
11:1011:3411:5812:2212:4613:1013:34

29 of 48 minutes covered, the first 29

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 15:41 on Thu 5 Jul to 12:27 on Fri 6 Jul.

    1906-07-05T07:40:48Z → 1906-07-06T04:27:22Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 5th, 11:58–12:46 on the 6th.

    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 5th and 29 of 48 on the 6th.

    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 1137 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 1906: Friday 6 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 1906 falls on Friday 6 July. Pūrṇimā runs from 15:41 on Thu 5 Jul to 12:27 on Fri 6 Jul and covers 29 of 48 minutes of madhyāhna that midday.

ahargana.org/baoding/festivals/1906/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 6 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 6 Jul
compat-drikpanchangComparison profileFri 6 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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles23:41 → 20:2711:3348 min11:330 min5 Jul
Chicago01:41 → 22:2711:3148 min11:310 min5 Jul
Jersey City02:41 → 23:2711:3648 min11:370 min5 Jul
Port of Spain03:41 → 00:2711:4648 min11:460 min5 Jul
London07:41 → 04:2711:4048 min11:410 min5 Jul
Durban09:41 → 06:2711:3648 min11:360 min5 Jul
Dubai11:22 → 08:0811:4048 min11:400 min5 Jul
Delhi13:11 → 09:5712:010 min12:010 min6 Jul
Kolkata13:11 → 09:5711:170 min11:170 min6 Jul
Singapore14:41 → 11:2711:450 min11:450 min6 Jul
Sydney17:41 → 14:2711:350 min11:3648 min6 Jul
Suva19:36 → 16:2211:410 min11:4248 min6 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

About Ahargaṇa