Ruling · Vyāsa Pūjā · 2021

Friday 23 July

Determinatein Luanda, under the Rashtriya Panchang method. Clear of every threshold by 9 min 23 s.

Decide it for

8°50′ S 13°14′ E · Africa/Luanda · GeoNames 2240449

The two mornings

One ghaṭī is 24 minutes. The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas.

Morning of Friday 23 July

Taken. The only morning Pūrṇimā reaches.

06:23 sunrisethree muhūrtas on 08:43
Pūrṇimā begins 06:13:49
05:5906:2306:4707:1107:3507:5908:2308:4709:11

140 of 140 minutes covered

Morning of Saturday 24 July

Pūrṇimā is absent from the first three muhūrtas after sunrise. Not taken.

06:23 sunrisethree muhūrtas on 08:43
05:5906:2306:4707:1107:3507:5908:2308:4709:11

0 of 140 minutes covered

Pūrṇimā presentThe first three muhūrtas after sunrise, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pūrṇimā runs from 06:14 on Fri 23 Jul to 03:37 on Sat 24 Jul.

    2021-07-23T05:13:49Z → 2021-07-24T02:36:55Z

  2. 02

    Kāla

    The first three muhūrtas after sunrise is first 3 of 15 day muhūrtas: 06:23–08:43 on the 23rd, 06:23–08:43 on the 24th.

    udaya-3: day-muhurta-1-3 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pūrṇimā must hold through the first three muhūrtas after sunrise. It covers 140 of 140 minutes on the 23rd and 0 of 140 on the 24th.

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

  4. 04

    Tie-break

    Only one morning qualifies. No tie-break is needed.

    priority: paraviddha → only-day · margin 563 s

  5. 05

    Ruling

    Vyāsa Pūjā, Luanda, 2021: Friday 23 July.

    confidence: determinate

Say it like this

In Luanda, Vyāsa Pūjā 2021 falls on Friday 23 July. Pūrṇimā runs from 06:14 on Fri 23 Jul to 03:37 on Sat 24 Jul and covers all of the first three muhūrtas after sunrise that morning.

ahargana.org/luanda/festivals/2021/vyasa-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 23 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 23 Jul
compat-drikpanchangComparison profileFri 23 Jul
No institution has a recorded ruling for Luanda.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/vyasa-puja · ruleset 2026.3-draft

Month
Āṣāḍha, amānta
Pakṣa · aṅga
Śukla · Pūrṇimā
Kāla
The first three muhūrtas after sunrise
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.

PlacePūrṇimāSunrise 23rdCoveredSunrise 24thCoveredRuled
Los Angeles22:14 → 19:3705:59168 min05:590 min23 Jul
Chicago00:14 → 21:3705:36176 min05:370 min23 Jul
Jersey City01:14 → 22:3705:45175 min05:460 min23 Jul
Port of Spain01:14 → 22:3705:53152 min05:540 min23 Jul
London06:14 → 03:3705:12128 min05:130 min23 Jul
Durban07:14 → 04:3706:4799 min06:460 min23 Jul
Dubai09:14 → 06:3705:420 min05:4354 min23 Jul
Delhi10:44 → 08:0705:380 min05:38149 min23 Jul
Kolkata10:44 → 08:0705:040 min05:05159 min24 Jul
Singapore13:14 → 10:3707:060 min07:06146 min24 Jul
Sydney15:14 → 12:3706:540 min06:54123 min24 Jul
Suva17:14 → 14:3706:370 min06:37135 min24 Jul
Profile · tradition
pac-rp@2026.1 · smarta
Rule
vyasa-puja@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa