Ruling · Mahāṣṭamī (Durga Ashtami) · 1996

Saturday 19 October

Determinatein Tehran, under the Rashtriya Panchang method. Clear of every threshold by 44 minutes.

Decide it for

TehranDelhiKolkataSingaporeSydneyJersey City

35°42′ N 51°25′ E · Asia/Tehran · GeoNames 112931

The two middays

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

Midday of Saturday 19 October

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:25  12:13 madhyāhna ends
Aṣṭamī begins 10:41:24
10:3711:0111:2511:4912:1312:3713:01

48 of 48 minutes covered

Midday of Sunday 20 October

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:25  12:13 madhyāhna ends
10:3711:0111:2511:4912:1312:3713:01

0 of 48 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Aṣṭamī runs from 10:41 on Sat 19 Oct to 08:34 on Sun 20 Oct.

    1996-10-19T07:11:24Z → 1996-10-20T05:04:24Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 19th, 11:25–12:13 on the 20th.

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

  3. 03

    Rule

    Aṣṭamī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

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

    priority: paraviddha → only-day · margin 2617 s

  5. 05

    Ruling

    Mahāṣṭamī, Tehran, 1996: Saturday 19 October.

    confidence: determinate

Say it like this

In Tehran, Mahāṣṭamī (Durga Ashtami) 1996 falls on Saturday 19 October. Aṣṭamī runs from 10:41 on Sat 19 Oct to 08:34 on Sun 20 Oct and covers all of madhyāhna that midday.

ahargana.org/tehran/festivals/1996/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 19 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 19 Oct
compat-drikpanchangComparison profileSat 19 Oct
No institution has a recorded ruling for Tehran.

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 clock times.

PlaceAṣṭamīMadhyāhna 19thCoveredMadhyāhna 20thCoveredRuled
Los Angeles00:11 → 22:0412:1448 min12:130 min19 Oct
Chicago02:11 → 00:0412:1148 min12:110 min19 Oct
Jersey City03:11 → 01:0412:1748 min12:170 min19 Oct
Port of Spain03:11 → 01:0411:2748 min11:270 min19 Oct
London08:11 → 06:0412:2148 min12:210 min19 Oct
Durban09:11 → 07:0411:1748 min11:170 min19 Oct
Dubai11:11 → 09:0411:4048 min11:390 min19 Oct
Delhi12:41 → 10:3411:420 min11:420 min20 Oct
Kolkata12:41 → 10:3410:570 min10:570 min20 Oct
Singapore15:11 → 13:0412:260 min12:2539 min20 Oct
Sydney17:11 → 15:0411:160 min11:1648 min20 Oct
Suva19:11 → 17:0411:270 min11:2748 min20 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
mahashtami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa