Ruling · Bali Pūjā · 1997

Friday 31 October

Boundaryin Chattogram, under the Rashtriya Panchang method. Both evenings qualify and the rule does not say which to take. Say “contested”.

Decide it for

22°20′ N 91°50′ E · Asia/Dhaka · GeoNames 1205733

The two evenings

One ghaṭī is 24 minutes. Pradoṣa is 2 muhūrtas after sunset.

Evening of Friday 31 October

Taken. Both evenings qualify; the rule is silent, and this one is covered longer.

17:16 sunsetpradoṣa ends 18:57
16:5217:1617:4018:0418:2818:5219:16

101 of 101 minutes covered

Evening of Saturday 1 November

Qualifies with 6 of 102 minutes. Not taken.

17:15 sunsetpradoṣa ends 18:57
Pratipadā ends 17:21:23
16:5117:1517:3918:0318:2718:5119:15

6 of 102 minutes covered, the first 6

Pratipadā presentPradoṣa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Pratipadā runs from 16:01 on Fri 31 Oct to 17:21 on Sat 1 Nov.

    1997-10-31T10:01:03Z → 1997-11-01T11:21:23Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:16–18:57 on the 31st, 17:15–18:57 on the 1st.

    pradosha: night-muhurta-1-2 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Pratipadā must be present during pradoṣa. It covers 101 of 101 minutes on the 31st and 6 of 102 on the 1st.

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

  4. 04

    Tie-break

    Both evenings qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

    priority: unstated → greater-coverage · margin 363 s

  5. 05

    Ruling

    Bali Pūjā, Chattogram, 1997: Friday 31 October.

    confidence: boundary (tie-break-unstated)

Say it like this

In Chattogram, Bali Pūjā 1997 falls on Friday 31 October. Pratipadā runs from 16:01 on Fri 31 Oct to 17:21 on Sat 1 Nov and covers all of pradoṣa that evening. It also reaches the next evening for 6 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/chattogram/festivals/1997/bali-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 31 Oct
Ahargaṇa, classicalDisc centre, no refractionFri 31 Oct
compat-drikpanchangComparison profileFri 31 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/bali-puja · ruleset 2026.3-draft

Month
Kārtika, amānta
Pakṣa · aṅga
Śukla · Pratipadā
Kāla
Pradoṣa
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 104

“S 1 Govardhana puja, Annakuta [purvaviddha], Balidaityaraja puja (pradosa), Dyuta pratipad (purvahna).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlacePratipadāSunset 31stCoveredSunset 1stCoveredRuled
Los Angeles02:01 → 03:2117:01106 min17:000 min31 Oct
Chicago04:01 → 05:2116:46109 min16:440 min31 Oct
Jersey City05:01 → 06:2116:53108 min16:520 min31 Oct
Port of Spain06:01 → 07:2117:4298 min17:420 min31 Oct
London10:01 → 11:2116:35115 min16:330 min31 Oct
Durban12:01 → 13:2118:1786 min18:180 min31 Oct
Dubai14:01 → 15:2117:39102 min17:380 min31 Oct
Delhi15:31 → 16:5117:37104 min17:360 min31 Oct
Kolkata15:31 → 16:5117:00102 min16:590 min31 Oct
Singapore18:01 → 19:2118:5095 min18:5031 min31 Oct
Sydney21:01 → 22:2119:220 min19:2384 min1 Nov
Suva22:01 → 23:2118:120 min18:1390 min1 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
bali-puja@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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