Ruling · Guru Pūrṇimā · 1971

Thursday 8 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 350 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 Wednesday 7 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 Thursday 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

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

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 19:54 on Wed 7 Jul to 18:37 on Thu 8 Jul.

    1971-07-07T11:54:19Z → 1971-07-08T10:36:35Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:59–12:47 on the 7th, 11:59–12:47 on the 8th.

    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 7th and 48 of 48 on the 8th.

    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 20984 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 1971: Thursday 8 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 1971 falls on Thursday 8 July. Pūrṇimā runs from 19:54 on Wed 7 Jul to 18:37 on Thu 8 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1971/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 8 Jul
Ahargaṇa, classicalDisc centre, no refractionThu 8 Jul
compat-drikpanchangComparison profileThu 8 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 7thCoveredMadhyāhna 8thCoveredRuled
Los Angeles04:54 → 03:3712:3448 min12:340 min7 Jul
Chicago06:54 → 05:3712:3148 min12:310 min7 Jul
Jersey City07:54 → 06:3712:3748 min12:370 min7 Jul
Port of Spain07:54 → 06:3711:4748 min11:470 min7 Jul
London12:54 → 11:3712:4135 min12:410 min7 Jul
Durban13:54 → 12:3711:370 min11:3748 min8 Jul
Dubai15:54 → 14:3711:590 min12:0048 min8 Jul
Delhi17:24 → 16:0712:020 min12:0248 min8 Jul
Kolkata17:24 → 16:0711:170 min11:1748 min8 Jul
Singapore19:24 → 18:0712:150 min12:1548 min8 Jul
Sydney21:54 → 20:3711:360 min11:3648 min8 Jul
Suva23:54 → 22:3711:470 min11:4748 min8 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