Ruling · Aghora Caturdaśī · 1987

Saturday 22 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 75 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two evenings

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

Evening of Saturday 22 August

Taken. The only evening Caturdaśī reaches.

20:04 sunsetpradoṣa ends 21:29
19:4020:0420:2820:5221:1621:4022:04

85 of 85 minutes covered

Evening of Sunday 23 August

Caturdaśī is absent from pradoṣa. Not taken.

20:03 sunsetpradoṣa ends 21:28
19:3920:0320:2720:5121:1521:3922:03

0 of 85 minutes covered

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

How it was decided

  1. 01

    Aṅga

    Caturdaśī runs from 16:27 on Sat 22 Aug to 18:48 on Sun 23 Aug.

    1987-08-22T07:26:52Z → 1987-08-23T09:48:14Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 20:04–21:29 on the 22nd, 20:03–21:28 on the 23rd.

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

  3. 03

    Rule

    Caturdaśī must be present during pradoṣa. It covers 85 of 85 minutes on the 22nd and 0 of 85 on the 23rd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103

  4. 04

    Tie-break

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

    priority: unstated → only-day · margin 4484 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 1987: Saturday 22 August.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 1987 falls on Saturday 22 August. Caturdaśī runs from 16:27 on Sat 22 Aug to 18:48 on Sun 23 Aug and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1987/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 22 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 22 Aug
compat-drikpanchangComparison profileSat 22 Aug
No institution has a recorded ruling for Baoding.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/aghora-chaturdashi · ruleset 2026.3-draft

Month
Śrāvaṇa, amānta
Pakṣa · aṅga
Kṛṣṇa · Caturdaśī
Kāla
Pradoṣa
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 103

“K 14 Aghora caturdasi (pradosa vyapini).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 103.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceCaturdaśīSunset 22ndCoveredSunset 23rdCoveredRuled
Los Angeles00:27 → 02:4819:3286 min19:310 min22 Aug
Chicago02:27 → 04:4819:4184 min19:390 min22 Aug
Jersey City03:27 → 05:4819:4584 min19:430 min22 Aug
Port of Spain03:27 → 05:4818:2193 min18:210 min22 Aug
London08:27 → 10:4820:1078 min20:070 min22 Aug
Durban09:27 → 11:4817:35102 min17:350 min22 Aug
Dubai11:27 → 13:4818:4889 min18:470 min22 Aug
Delhi12:57 → 15:1818:5488 min18:530 min22 Aug
Kolkata12:57 → 15:1818:0390 min18:020 min22 Aug
Singapore15:27 → 17:4819:1295 min19:120 min22 Aug
Sydney17:27 → 19:4817:29104 min17:30103 min22 Aug
Suva19:27 → 21:4817:579 min17:5799 min23 Aug
Profile · tradition
pac-rp@2026.1 · smarta
Rule
aghora-chaturdashi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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