Ruling · Rathayātrā · 1981

Friday 3 July

Determinatein Luanda, under the Rashtriya Panchang method. Clear of every threshold by 161 minutes.

Decide it for

LuandaDelhiKolkataSingaporeSydneyJersey City

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

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Thursday 2 July

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:47  12:35 madhyāhna ends
10:5911:2311:4712:1112:3512:5913:23

0 of 48 minutes covered

Midday of Friday 3 July

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 11:47  12:35 madhyāhna ends
10:5911:2311:4712:1112:3512:5913:23

48 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Dvitīyā runs from 17:25 on Thu 2 Jul to 15:16 on Fri 3 Jul.

    1981-07-02T16:24:37Z → 1981-07-03T14:15:53Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:47–12:35 on the 2nd, 11:47–12:35 on the 3rd.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Dvitīyā must be present during madhyāhna. It covers 0 of 48 minutes on the 2nd and 48 of 48 on the 3rd.

    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 9641 s

  5. 05

    Ruling

    Rathayātrā, Luanda, 1981: Friday 3 July.

    confidence: determinate

Say it like this

In Luanda, Rathayātrā 1981 falls on Friday 3 July. Dvitīyā runs from 17:25 on Thu 2 Jul to 15:16 on Fri 3 Jul and covers all of madhyāhna that midday.

ahargana.org/luanda/festivals/1981/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 3 Jul
Ahargaṇa, classicalDisc centre, no refractionFri 3 Jul
compat-drikpanchangComparison profileFri 3 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/rathayatra · ruleset 2026.3-draft

Month
Āṣāḍha, amānta
Pakṣa · aṅga
Śukla · Dvitīyā
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 102

“S 2 Rathayatra (paraviddha, special when combined with naksatra 'Pusya')” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 102. The row calls the day special with Puṣya nakṣatra; the nakṣatra is not tested.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceDvitīyāMadhyāhna 2ndCoveredMadhyāhna 3rdCoveredRuled
Los Angeles09:25 → 07:1612:3348 min12:330 min2 Jul
Chicago11:25 → 09:1612:3048 min12:310 min2 Jul
Jersey City12:25 → 10:1612:3648 min12:360 min2 Jul
Port of Spain12:25 → 10:1611:469 min11:460 min2 Jul
London17:25 → 15:1612:400 min12:4048 min3 Jul
Durban18:25 → 16:1611:360 min11:3648 min3 Jul
Dubai20:25 → 18:1611:590 min11:5948 min3 Jul
Delhi21:55 → 19:4612:010 min12:0148 min3 Jul
Kolkata21:55 → 19:4611:160 min11:1748 min3 Jul
Singapore23:55 → 21:4612:140 min12:1548 min3 Jul
Sydney02:25 → 00:1611:350 min11:3548 min3 Jul
Suva04:25 → 02:1611:460 min11:4648 min3 Jul
Profile · tradition
pac-rp@2026.1 · smarta
Rule
rathayatra@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa