Ruling · Mahāṣṭamī (Durga Ashtami) · 1930

Tuesday 30 September

Determinatein Daegu, under the Rashtriya Panchang method. Clear of every threshold by 6 min 56 s.

Decide it for

DaeguDelhiKolkataSingaporeSydneyJersey City

35°52′ N 128°36′ E · Asia/Seoul · GeoNames 1835329

The two middays

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

Midday of Monday 29 September

Qualifies with 48 of 48 minutes. Not taken.

madhyāhna begins 11:52  12:40 madhyāhna ends
Aṣṭamī begins 11:17:55
11:0411:2811:5212:1612:4013:0413:28

48 of 48 minutes covered

Midday of Tuesday 30 September

Taken. Both middays qualify; the rule takes the second.

madhyāhna begins 11:52  12:40 madhyāhna ends
Aṣṭamī ends 12:46:34
11:0411:2811:5212:1612:4013:0413:28

48 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 11:18 on Mon 29 Sep to 12:47 on Tue 30 Sep.

    1930-09-29T02:17:55Z → 1930-09-30T03:46:34Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:52–12:40 on the 29th, 11:52–12:40 on the 30th.

    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 29th and 48 of 48 on the 30th.

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

  4. 04

    Tie-break

    Both middays qualify. Paraviddhā: the second is taken.

    priority: paraviddha → paraviddha · margin 416 s

  5. 05

    Ruling

    Mahāṣṭamī, Daegu, 1930: Tuesday 30 September.

    confidence: determinate

Say it like this

In Daegu, Mahāṣṭamī (Durga Ashtami) 1930 falls on Tuesday 30 September. Aṣṭamī runs from 11:18 on Mon 29 Sep to 12:47 on Tue 30 Sep and covers all of madhyāhna that midday. It also reaches the previous midday for 48 minutes; by the rule the second midday is taken.

ahargana.org/daegu/festivals/1930/mahashtami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 30 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 30 Sep
compat-drikpanchangComparison profileTue 30 Sep
No institution has a recorded ruling for Daegu.

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 29thCoveredMadhyāhna 30thCoveredRuled
Los Angeles18:18 → 19:4711:1948 min11:190 min29 Sep
Chicago20:18 → 21:4711:1748 min11:160 min29 Sep
Jersey City21:18 → 22:4711:2248 min11:220 min29 Sep
Port of Spain22:18 → 23:4711:3248 min11:320 min29 Sep
London03:18 → 04:4712:2748 min12:260 min29 Sep
Durban04:18 → 05:4711:2348 min11:220 min29 Sep
Dubai06:18 → 07:4711:4548 min11:450 min29 Sep
Delhi07:48 → 09:1711:4748 min11:470 min29 Sep
Kolkata07:48 → 09:1711:0348 min11:030 min29 Sep
Singapore09:18 → 10:4711:3148 min11:310 min29 Sep
Sydney12:18 → 13:4711:220 min11:2248 min30 Sep
Suva14:18 → 15:4711:330 min11:3348 min30 Sep
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