Ruling · Rathayātrā · 1913

Saturday 5 July

Determinatein Luanda, under the Rashtriya Panchang method. Clear of every threshold by 498 minutes.

Decide it for

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 Saturday 5 July

Taken. The only midday Dvitīyā reaches.

madhyāhna begins 11:00  11:48 madhyāhna ends
10:1210:3611:0011:2411:4812:1212:36

48 of 48 minutes covered

Midday of Sunday 6 July

Dvitīyā is absent from madhyāhna. Not taken.

madhyāhna begins 11:01  11:49 madhyāhna ends
10:1310:3711:0111:2511:4912:1312:37

0 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 02:43 on Sat 5 Jul to 23:53 on Sat 5 Jul.

    1913-07-05T02:29:30Z → 1913-07-05T23:39:54Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:00–11:48 on the 5th, 11:01–11:49 on the 6th.

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

  3. 03

    Rule

    Dvitīyā must be present during madhyāhna. It covers 48 of 48 minutes on the 5th and 0 of 48 on the 6th.

    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 29870 s

  5. 05

    Ruling

    Rathayātrā, Luanda, 1913: Saturday 5 July.

    confidence: determinate

Say it like this

In Luanda, Rathayātrā 1913 falls on Saturday 5 July. Dvitīyā runs from 02:43 on Sat 5 Jul to 23:53 on Sat 5 Jul and covers all of madhyāhna that midday.

ahargana.org/luanda/festivals/1913/rathayatra · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 5 Jul
Ahargaṇa, classicalDisc centre, no refractionSat 5 Jul
compat-drikpanchangComparison profileSat 5 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 5thCoveredMadhyāhna 6thCoveredRuled
Los Angeles18:30 → 15:4011:3348 min11:330 min5 Jul
Chicago20:30 → 17:4011:3148 min11:310 min5 Jul
Jersey City21:30 → 18:4011:3648 min11:370 min5 Jul
Port of Spain22:30 → 19:4011:4648 min11:470 min5 Jul
London02:30 → 23:4011:4148 min11:410 min5 Jul
Durban04:30 → 01:4011:3648 min11:360 min5 Jul
Dubai06:11 → 03:2111:4048 min11:400 min5 Jul
Delhi08:00 → 05:1012:0148 min12:010 min5 Jul
Kolkata08:00 → 05:1011:1748 min11:170 min5 Jul
Singapore09:30 → 06:4011:4548 min11:450 min5 Jul
Sydney12:30 → 09:4011:350 min11:360 min6 Jul
Suva14:25 → 11:3511:420 min11:420 min6 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

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