September 2006 · each Moon as it stands at sunriseBhādrapada Śukla to Āśvina ŚuklaThe month ›

Ruling · 2006 · Riyadh

Mahāṣṭamī

Durga Ashtami

Saturday 30 September2006 · Riyadh, Riyadh Region, Saudi Arabia

Determinatemargin 544 min

In Riyadh, under the Rashtriya Panchang method. Clear of every threshold by 544 minutes.

Decide it forRiyadhDelhiKolkataSingaporeSydneyJersey City24°41′ N 46°43′ E · Asia/Riyadh · GeoNames 108410

The two middays मध्याह्न

One ghaṭī is 24 minutes

Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Saturday 30 September

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:19  12:07 madhyāhna ends
10:3110:5511:1911:4312:0712:3112:55

48 of 48 minutes covered

Midday of Sunday 1 October

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:19  12:07 madhyāhna ends
10:3110:5511:1911:4312:0712:3112:55

0 of 48 minutes covered

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

How it was decided निर्णय

  1. Step 1, Aṅga

    Aṣṭamī runs from 02:15 on Sat 30 Sep to 01:42 on Sun 1 Oct.

    2006-09-29T23:14:50Z → 2006-09-30T22:42:16Z
  2. Step 2, Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:19–12:07 on the 30th, 11:19–12:07 on the 1st.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′
  3. Step 3, Rule

    Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 30th and 0 of 48 on the 1st.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104
  4. Step 4, Tie-break

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

    priority: paraviddha → only-day · margin 32650 s
  5. Step 5, Ruling

    Mahāṣṭamī, Riyadh, 2006: Saturday 30 September.

    confidence: determinate

Say it like this

In Riyadh, Mahāṣṭamī (Durga Ashtami) 2006 falls on Saturday 30 September. Aṣṭamī runs from 02:15 on Sat 30 Sep to 01:42 on Sun 1 Oct and covers all of madhyāhna that midday.

ahargana.org/riyadh/festivals/2006/mahashtamipac-rp@2026.1

Who says what

never edited to agree

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 30 Sep
Ahargaṇa, classicalDisc centre, no refractionSat 30 Sep
compat-drikpanchangComparison profileSat 30 Sep
No institution has a recorded ruling for Riyadh.

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

The rule, as data

/rules/mahashtami · ruleset 2026.3-draft

Month
Āśvina, amānta
Pakṣa · aṅga
Śukla · Aṣṭamī
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 104

S 8 Mahastami (paraviddha) Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

twelve places, west to east · local clocks

PlaceAṣṭamīMadhyāhna 29thCoveredMadhyāhna 30thCoveredRuled
Los Angeles16:15 → 15:4212:190 min12:1948 min30 Sep
Chicago18:15 → 17:4212:170 min12:1648 min30 Sep
Jersey City19:15 → 18:4212:220 min12:2248 min30 Sep
Port of Spain19:15 → 18:4211:320 min11:3248 min30 Sep
London00:15 → 23:4212:260 min12:2648 min30 Sep
Durban01:15 → 00:4211:220 min11:2248 min30 Sep
Dubai03:15 → 02:4211:450 min11:4548 min30 Sep
Delhi04:45 → 04:1211:470 min11:4748 min30 Sep
Kolkata04:45 → 04:1211:030 min11:0248 min30 Sep
Singapore07:15 → 06:4212:310 min12:3148 min30 Sep
Sydney09:15 → 08:4211:220 min11:2248 min30 Sep
Suva11:15 → 10:4211:330 min11:3348 min30 Sep
This ruling as JSON · ICS
Profile · tradition
pac-rp@2026.1 · smarta
Rule
mahashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s