Ruling · Bali Pūjā · 2009

Sunday 18 October

Determinatein Daqing, under the Rashtriya Panchang method. Clear of every threshold by 195 minutes.

Decide it for

DaqingDelhiKolkataSingaporeSydneyJersey City

46°35′ N 125°00′ E · Asia/Shanghai · GeoNames 2037860

The two evenings

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

Evening of Sunday 18 October

Taken. The only evening Pratipadā reaches.

16:48 sunsetpradoṣa ends 18:34
16:2416:4817:1217:3618:0018:2418:48

106 of 106 minutes covered

Evening of Monday 19 October

Pratipadā is absent from pradoṣa. Not taken.

16:46 sunsetpradoṣa ends 18:33
16:2216:4617:1017:3417:5818:2218:46

0 of 106 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Pratipadā runs from 13:33 on Sun 18 Oct to 12:28 on Mon 19 Oct.

    2009-10-18T05:33:05Z → 2009-10-19T04:27:38Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 16:48–18:34 on the 18th, 16:46–18:33 on the 19th.

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

  3. 03

    Rule

    Pratipadā must be present during pradoṣa. It covers 106 of 106 minutes on the 18th and 0 of 106 on the 19th.

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

  4. 04

    Tie-break

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

    priority: unstated → only-day · margin 11703 s

  5. 05

    Ruling

    Bali Pūjā, Daqing, 2009: Sunday 18 October.

    confidence: determinate

Say it like this

In Daqing, Bali Pūjā 2009 falls on Sunday 18 October. Pratipadā runs from 13:33 on Sun 18 Oct to 12:28 on Mon 19 Oct and covers all of pradoṣa that evening.

ahargana.org/daqing/festivals/2009/bali-puja · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 18 Oct
Ahargaṇa, classicalDisc centre, no refractionSun 18 Oct
compat-drikpanchangComparison profileSun 18 Oct
No institution has a recorded ruling for Daqing.

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 18thCoveredSunset 19thCoveredRuled
Los Angeles22:33 → 21:2818:15102 min18:130 min18 Oct
Chicago00:33 → 23:2818:04105 min18:020 min18 Oct
Jersey City01:33 → 00:2818:11104 min18:090 min18 Oct
Port of Spain01:33 → 00:2817:4797 min17:460 min18 Oct
London06:33 → 05:2818:00108 min17:580 min18 Oct
Durban07:33 → 06:2818:0789 min18:080 min18 Oct
Dubai09:33 → 08:2817:49100 min17:480 min18 Oct
Delhi11:03 → 09:5817:48101 min17:470 min18 Oct
Kolkata11:03 → 09:5817:0999 min17:080 min18 Oct
Singapore13:33 → 12:2818:5295 min18:520 min18 Oct
Sydney16:33 → 15:2819:1188 min19:110 min18 Oct
Suva17:33 → 16:2818:0892 min18:080 min18 Oct
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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