Ruling · Śrī Pañcamī · 2021

Tuesday 16 February

Determinatein Luanda, under the Rashtriya Panchang method. Clear of every threshold by 622 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 Monday 15 February

Pañcamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

0 of 48 minutes covered

Midday of Tuesday 16 February

Taken. The only midday Pañcamī reaches.

madhyāhna begins 11:57  12:45 madhyāhna ends
11:0911:3311:5712:2112:4513:0913:33

48 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Pañcamī runs from 23:07 on Mon 15 Feb to 01:17 on Wed 17 Feb.

    2021-02-15T22:07:26Z → 2021-02-17T00:16:39Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:57–12:45 on the 15th, 11:57–12:45 on the 16th.

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

  3. 03

    Rule

    Pañcamī must be present during madhyāhna. It covers 0 of 48 minutes on the 15th and 48 of 48 on the 16th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

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

    priority: purvaviddha → only-day · margin 37340 s

  5. 05

    Ruling

    Śrī Pañcamī, Luanda, 2021: Tuesday 16 February.

    confidence: determinate

Say it like this

In Luanda, Śrī Pañcamī 2021 falls on Tuesday 16 February. Pañcamī runs from 23:07 on Mon 15 Feb to 01:17 on Wed 17 Feb and covers all of madhyāhna that midday.

ahargana.org/luanda/festivals/2021/shri-panchami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 16 Feb
Ahargaṇa, classicalDisc centre, no refractionTue 16 Feb
compat-drikpanchangComparison profileTue 16 Feb
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/shri-panchami · ruleset 2026.3-draft

Month
Māgha, amānta
Pakṣa · aṅga
Śukla · Pañcamī
Kāla
Madhyāhna
Priority
Pūrvaviddhā
Tie-break
First day
Reference
CRC 1955, p. 105

“S 5 Sri Pancami (purvaviddha), Sarasvati puja (Bengal), Vasanta pancami, Madana pancami.” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePañcamīMadhyāhna 15thCoveredMadhyāhna 17thCoveredRuled
Los Angeles14:07 → 16:1711:430 min11:430 min16 Feb
Chicago16:07 → 18:1711:410 min11:410 min16 Feb
Jersey City17:07 → 19:1711:470 min11:470 min16 Feb
Port of Spain18:07 → 20:1711:560 min11:560 min16 Feb
London22:07 → 00:1711:510 min11:510 min16 Feb
Durban00:07 → 02:1711:460 min11:460 min16 Feb
Dubai02:07 → 04:1712:090 min12:090 min16 Feb
Delhi03:37 → 05:4712:110 min12:110 min16 Feb
Kolkata03:37 → 05:4711:270 min11:270 min16 Feb
Singapore06:07 → 08:1712:550 min12:550 min16 Feb
Sydney09:07 → 11:1712:450 min12:450 min16 Feb
Suva10:07 → 12:1711:560 min11:5620 min16 Feb
Profile · tradition
pac-rp@2026.1 · smarta
Rule
shri-panchami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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