Ruling · Mahāṣṭamī (Durga Ashtami) · 1900

Monday 1 October

Determinatein Bucharest, under the Rashtriya Panchang method. Clear of every threshold by 31 minutes.

Decide it for

BucharestDelhiKolkataSingaporeSydneyJersey City

44°26′ N 26°06′ E · Europe/Bucharest · GeoNames 683506

The two middays

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

Midday of Monday 1 October

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:25  12:13 madhyāhna ends
Aṣṭamī begins 10:54:47
10:3711:0111:2511:4912:1312:3713:01

48 of 48 minutes covered

Midday of Tuesday 2 October

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:25  12:13 madhyāhna ends
Aṣṭamī ends 10:42:55
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 10:54 on Mon 1 Oct to 10:43 on Tue 2 Oct.

    1900-10-01T09:10:24Z → 1900-10-02T08:58:32Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:25–12:13 on the 1st, 11:25–12:13 on the 2nd.

    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 1st and 0 of 48 on the 2nd.

    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 1835 s

  5. 05

    Ruling

    Mahāṣṭamī, Bucharest, 1900: Monday 1 October.

    confidence: determinate

Say it like this

In Bucharest, Mahāṣṭamī (Durga Ashtami) 1900 falls on Monday 1 October. Aṣṭamī runs from 10:54 on Mon 1 Oct to 10:43 on Tue 2 Oct and covers all of madhyāhna that midday.

ahargana.org/bucharest/festivals/1900/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 1 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 1 Oct
compat-drikpanchangComparison profileTue 2 Oct
No institution has a recorded ruling for Bucharest.

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 1stCoveredMadhyāhna 2ndCoveredRuled
Los Angeles01:10 → 00:5911:1848 min11:180 min1 Oct
Chicago03:10 → 02:5911:1648 min11:160 min1 Oct
Jersey City04:10 → 03:5911:2248 min11:210 min1 Oct
Port of Spain05:10 → 04:5911:3248 min11:310 min1 Oct
London09:10 → 08:5911:2648 min11:250 min1 Oct
Durban10:40 → 10:2910:5248 min10:520 min1 Oct
Dubai12:51 → 12:4011:250 min11:2548 min2 Oct
Delhi14:31 → 14:2011:380 min11:3748 min2 Oct
Kolkata14:31 → 14:2010:530 min10:5348 min2 Oct
Singapore16:05 → 15:5411:250 min11:2548 min2 Oct
Sydney19:10 → 18:5911:210 min11:2148 min2 Oct
Suva21:05 → 20:5411:270 min11:2748 min2 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

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