Ruling · Guru Pūrṇimā · 2073

Wednesday 19 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 17 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 Tuesday 18 July

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 12:01  12:49 madhyāhna ends
11:1311:3712:0112:2512:4913:1313:37

0 of 48 minutes covered

Midday of Wednesday 19 July

Taken. The only midday Pūrṇimā reaches.

madhyāhna begins 12:01  12:49 madhyāhna ends
Pūrṇimā ends 13:05:25
11:1311:3712:0112:2512:4913:1313:37

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 13:38 on Tue 18 Jul to 13:05 on Wed 19 Jul.

    2073-07-18T05:38:23Z → 2073-07-19T05:05:25Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:01–12:49 on the 18th, 12:01–12:49 on the 19th.

    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 18th and 48 of 48 on the 19th.

    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 1011 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 2073: Wednesday 19 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 2073 falls on Wednesday 19 July. Pūrṇimā runs from 13:38 on Tue 18 Jul to 13:05 on Wed 19 Jul and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/2073/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingWed 19 Jul
Ahargaṇa, classicalDisc centre, no refractionWed 19 Jul
compat-drikpanchangComparison profileWed 19 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 18thCoveredMadhyāhna 19thCoveredRuled
Los Angeles22:38 → 22:0512:3548 min12:350 min18 Jul
Chicago00:38 → 00:0512:3348 min12:330 min18 Jul
Jersey City01:38 → 01:0512:3948 min12:390 min18 Jul
Port of Spain01:38 → 01:0511:4948 min11:490 min18 Jul
London06:38 → 06:0512:4348 min12:430 min18 Jul
Durban07:38 → 07:0511:3948 min11:390 min18 Jul
Dubai09:38 → 09:0512:0148 min12:010 min18 Jul
Delhi11:08 → 10:3512:0448 min12:040 min18 Jul
Kolkata11:08 → 10:3511:1948 min11:190 min18 Jul
Singapore13:38 → 13:0512:470 min12:4718 min19 Jul
Sydney15:38 → 15:0511:380 min11:3848 min19 Jul
Suva17:38 → 17:0511:490 min11:4948 min19 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