October 1948 · each Moon as it stands at sunriseBhādrapada Kṛṣṇa to Āśvina KṛṣṇaThe month ›

Ruling · 1948 · Chattogram

Mahāṣṭamī

Durga Ashtami

Sunday 10 October1948 · Chattogram, Chittagong, Bangladesh

Determinatemargin 209 min

In Chattogram, under the Rashtriya Panchang method. Clear of every threshold by 209 minutes.

Decide it forChattogramDelhiKolkataSingaporeSydneyJersey City22°20′ N 91°50′ E · Asia/Dhaka · GeoNames 1205733

The two middays मध्याह्न

One ghaṭī is 24 minutes

Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Saturday 9 October

Aṣṭamī is absent from madhyāhna. Not taken.

madhyāhna begins 11:46  12:34 madhyāhna ends
10:5811:2211:4612:1012:3412:5813:22

0 of 48 minutes covered

Midday of Sunday 10 October

Taken. The only midday Aṣṭamī reaches.

madhyāhna begins 11:46  12:34 madhyāhna ends
10:5811:2211:4612:1012:3412:5813:22

48 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 16:03 on Sat 9 Oct to 17:27 on Sun 10 Oct.

    1948-10-09T09:33:04Z → 1948-10-10T10:56:45Z
  2. Step 2, Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:46–12:34 on the 9th, 11:46–12:34 on the 10th.

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

    Aṣṭamī must be present during madhyāhna. It covers 0 of 48 minutes on the 9th and 48 of 48 on the 10th.

    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 12552 s
  5. Step 5, Ruling

    Mahāṣṭamī, Chattogram, 1948: Sunday 10 October.

    confidence: determinate

Say it like this

In Chattogram, Mahāṣṭamī (Durga Ashtami) 1948 falls on Sunday 10 October. Aṣṭamī runs from 16:03 on Sat 9 Oct to 17:27 on Sun 10 Oct and covers all of madhyāhna that midday.

ahargana.org/chattogram/festivals/1948/mahashtamipac-rp@2026.1

Who says what

never edited to agree

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 10 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 10 Oct
compat-drikpanchangComparison profileSun 10 Oct
No institution has a recorded ruling for Chattogram.

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 9thCoveredMadhyāhna 10thCoveredRuled
Los Angeles02:33 → 03:5712:1648 min12:160 min9 Oct
Chicago03:33 → 04:5711:1348 min11:130 min9 Oct
Jersey City04:33 → 05:5711:1948 min11:190 min9 Oct
Port of Spain05:33 → 06:5711:2948 min11:290 min9 Oct
London10:33 → 11:5712:2348 min12:230 min9 Oct
Durban11:33 → 12:5711:1934 min11:1948 min10 Oct
Dubai13:33 → 14:5711:420 min11:4248 min10 Oct
Delhi15:03 → 16:2711:440 min11:4448 min10 Oct
Kolkata15:03 → 16:2711:000 min10:5948 min10 Oct
Singapore17:03 → 18:2711:580 min11:5848 min10 Oct
Sydney19:33 → 20:5711:190 min11:1948 min10 Oct
Suva21:33 → 22:5711:300 min11:3048 min10 Oct
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