Ruling · Guru Pūrṇimā · 2030

Monday 15 July

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 30 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 Sunday 14 July

Pūrṇimā is absent from madhyāhna. Not taken.

madhyāhna begins 12:00  12:48 madhyāhna ends
Pūrṇimā begins 13:17:55
11:1211:3612:0012:2412:4813:1213:36

0 of 48 minutes covered

Midday of Monday 15 July

Taken. Pūrṇimā reaches neither midday; the rule takes the second day.

madhyāhna begins 12:00  12:48 madhyāhna ends
11:1211:3612:0012:2412:4813:1213:36

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 13:18 on Sun 14 Jul to 10:12 on Mon 15 Jul.

    2030-07-14T05:17:55Z → 2030-07-15T02:12:00Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 12:00–12:48 on the 14th, 12:00–12:48 on the 15th.

    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 14th and 0 of 48 on the 15th.

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

  4. 04

    Tie-break

    Neither midday qualifies. The rule takes the second day.

    priority: paraviddha → second-day · margin 1803 s

  5. 05

    Ruling

    Guru Pūrṇimā, Baoding, 2030: Monday 15 July.

    confidence: determinate

Say it like this

In Baoding, Guru Pūrṇimā 2030 falls on Monday 15 July. Pūrṇimā runs from 13:18 on Sun 14 Jul to 10:12 on Mon 15 Jul, and reaches madhyāhna on neither day.

ahargana.org/baoding/festivals/2030/guru-purnima · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 15 Jul
Ahargaṇa, classicalDisc centre, no refractionMon 15 Jul
compat-drikpanchangComparison profileSun 14 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 14thCoveredMadhyāhna 15thCoveredRuled
Los Angeles22:18 → 19:1212:3548 min12:350 min14 Jul
Chicago00:18 → 21:1212:3248 min12:320 min14 Jul
Jersey City01:18 → 22:1212:3848 min12:380 min14 Jul
Port of Spain01:18 → 22:1211:4848 min11:480 min14 Jul
London06:18 → 03:1212:4248 min12:420 min14 Jul
Durban07:18 → 04:1211:3848 min11:380 min14 Jul
Dubai09:18 → 06:1212:0148 min12:010 min14 Jul
Delhi10:48 → 07:4212:0348 min12:030 min14 Jul
Kolkata10:48 → 07:4211:1848 min11:180 min14 Jul
Singapore13:18 → 10:1212:4617 min12:470 min14 Jul
Sydney15:18 → 12:1211:370 min11:3735 min15 Jul
Suva17:18 → 14:1211:480 min11:4848 min15 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