Ruling · Aghora Caturdaśī · 1903

Friday 21 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 475 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 Friday 21 August

Taken. The only evening Caturdaśī reaches.

19:07 sunsetpradoṣa ends 20:31
18:4319:0719:3119:5520:1920:4321:07

84 of 84 minutes covered

Evening of Saturday 22 August

Caturdaśī is absent from pradoṣa. Not taken.

19:05 sunsetpradoṣa ends 20:30
18:4119:0519:2919:5320:1720:4121:05

0 of 84 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 11:12 on Fri 21 Aug to 07:30 on Sat 22 Aug.

    1903-08-21T03:12:06Z → 1903-08-21T23:30:04Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:07–20:31 on the 21st, 19:05–20:30 on the 22nd.

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

  3. 03

    Rule

    Caturdaśī must be present during pradoṣa. It covers 84 of 84 minutes on the 21st and 0 of 84 on the 22nd.

    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 28470 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 1903: Friday 21 August.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 1903 falls on Friday 21 August. Caturdaśī runs from 11:12 on Fri 21 Aug to 07:30 on Sat 22 Aug and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1903/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 21 Aug
Ahargaṇa, classicalDisc centre, no refractionFri 21 Aug
compat-drikpanchangComparison profileFri 21 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 21stCoveredSunset 22ndCoveredRuled
Los Angeles19:12 → 15:3018:340 min18:320 min20 Aug
Chicago21:12 → 17:3018:430 min18:410 min20 Aug
Jersey City22:12 → 18:3018:470 min18:450 min20 Aug
Port of Spain23:12 → 19:3018:2268 min18:210 min21 Aug
London03:12 → 23:3019:1378 min19:110 min21 Aug
Durban05:12 → 01:3017:34103 min17:340 min21 Aug
Dubai06:53 → 03:1118:3089 min18:290 min21 Aug
Delhi08:33 → 04:5118:4788 min18:460 min21 Aug
Kolkata08:33 → 04:5117:5589 min17:540 min21 Aug
Singapore10:07 → 06:2518:0795 min18:070 min21 Aug
Sydney13:12 → 09:3017:28104 min17:290 min21 Aug
Suva15:07 → 11:2517:51100 min17:520 min21 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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