Ruling · Guru Pūrṇimā · 1955

Tuesday 5 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 42 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 Monday 4 July

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 11:58  12:46 madhyāhna ends
Pūrṇimā begins 11:15:41
11:1011:3411:5812:2212:4613:1013:34

48 of 48 minutes covered

Midday of Tuesday 5 July

Taken. Both middays qualify; the rule takes the second.

madhyāhna begins 11:58  12:46 madhyāhna ends
Pūrṇimā ends 13:28:32
11:1011:3411:5812:2212:4613:1013:34

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 11:16 on Mon 4 Jul to 13:29 on Tue 5 Jul.

    1955-07-04T03:15:42Z → 1955-07-05T05:28:33Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:58–12:46 on the 4th, 11:58–12:46 on the 5th.

    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 4th and 48 of 48 on the 5th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102

  4. 04

    Tie-break

    Both middays qualify. Paraviddhā: the second is taken.

    priority: paraviddha → paraviddha · margin 2534 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 1955: Tuesday 5 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 1955 falls on Tuesday 5 July. Pūrṇimā runs from 11:16 on Mon 4 Jul to 13:29 on Tue 5 Jul and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.

ahargana.org/baoding/festivals/1955/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 5 Jul
Ahargaṇa, classicalDisc centre, no refractionTue 5 Jul
compat-drikpanchangComparison profileTue 5 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 4thCoveredMadhyāhna 5thCoveredRuled
Los Angeles20:16 → 22:2912:3348 min12:330 min4 Jul
Chicago22:16 → 00:2912:3148 min12:310 min4 Jul
Jersey City23:16 → 01:2912:3648 min12:370 min4 Jul
Port of Spain23:16 → 01:2911:4648 min11:460 min4 Jul
London04:16 → 06:2912:4048 min12:410 min4 Jul
Durban05:16 → 07:2911:3648 min11:360 min4 Jul
Dubai07:16 → 09:2911:5948 min11:590 min4 Jul
Delhi08:46 → 10:5912:0148 min12:010 min4 Jul
Kolkata08:46 → 10:5911:1748 min11:170 min4 Jul
Singapore10:46 → 12:5912:1548 min12:1544 min5 Jul
Sydney13:16 → 15:2911:350 min11:3548 min5 Jul
Suva15:16 → 17:2911:460 min11:4748 min5 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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