Ruling · Guru Pūrṇimā · 1901

Monday 1 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 280 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 Monday 1 July

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

48 of 48 minutes covered

Midday of Tuesday 2 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 06:35 on Mon 1 Jul to 07:18 on Tue 2 Jul.

    1901-06-30T22:35:24Z → 1901-07-01T23:17:38Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 1st, 11:58–12:46 on the 2nd.

    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 1st and 0 of 48 on the 2nd.

    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 16801 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 1901: Monday 1 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 1901 falls on Monday 1 July. Pūrṇimā runs from 06:35 on Mon 1 Jul to 07:18 on Tue 2 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1901/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 1 Jul
Ahargaṇa, classicalDisc centre, no refractionMon 1 Jul
compat-drikpanchangComparison profileMon 1 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 30thCoveredMadhyāhna 1stCoveredRuled
Los Angeles14:35 → 15:1811:320 min11:3248 min1 Jul
Chicago16:35 → 17:1811:300 min11:3048 min1 Jul
Jersey City17:35 → 18:1811:360 min11:3648 min1 Jul
Port of Spain18:35 → 19:1811:450 min11:4648 min1 Jul
London22:35 → 23:1811:400 min11:4048 min1 Jul
Durban00:05 → 00:4811:050 min11:0548 min1 Jul
Dubai02:16 → 02:5911:390 min11:3948 min1 Jul
Delhi03:56 → 04:3911:510 min11:5148 min1 Jul
Kolkata03:56 → 04:3911:070 min11:0748 min1 Jul
Singapore05:30 → 06:1311:390 min11:3948 min1 Jul
Sydney08:35 → 09:1811:340 min11:3548 min1 Jul
Suva10:30 → 11:1311:400 min11:4148 min1 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