Ruling · Aghora Caturdaśī · 2090

Thursday 24 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 8 min 33 s.

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 Wednesday 23 August

Caturdaśī is absent from pradoṣa. Not taken.

19:02 sunsetpradoṣa ends 20:27
18:3819:0219:2619:5020:1420:3821:02

0 of 85 minutes covered

Evening of Thursday 24 August

Taken. The only evening Caturdaśī reaches.

19:00 sunsetpradoṣa ends 20:26
Caturdaśī ends 20:34:25
18:3619:0019:2419:4820:1220:3621:00

85 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 23:52 on Wed 23 Aug to 20:34 on Thu 24 Aug.

    2090-08-23T15:52:14Z → 2090-08-24T12:34:26Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:02–20:27 on the 23rd, 19:00–20:26 on the 24th.

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

  3. 03

    Rule

    Caturdaśī must be present during pradoṣa. It covers 0 of 85 minutes on the 23rd and 85 of 85 on the 24th.

    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 513 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 2090: Thursday 24 August.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 2090 falls on Thursday 24 August. Caturdaśī runs from 23:52 on Wed 23 Aug to 20:34 on Thu 24 Aug and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2090/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 24 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 24 Aug
compat-drikpanchangComparison profileThu 24 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 23rdCoveredSunset 24thCoveredRuled
Los Angeles08:52 → 05:3419:3087 min19:280 min23 Aug
Chicago10:52 → 07:3419:3884 min19:360 min23 Aug
Jersey City11:52 → 08:3419:4285 min19:400 min23 Aug
Port of Spain11:52 → 08:3418:2093 min18:200 min23 Aug
London16:52 → 13:3420:0580 min20:030 min23 Aug
Durban17:52 → 14:3417:3786 min17:370 min23 Aug
Dubai19:52 → 16:3418:4623 min18:450 min23 Aug
Delhi21:22 → 18:0418:520 min18:510 min23 Aug
Kolkata21:22 → 18:0418:020 min18:014 min24 Aug
Singapore23:52 → 20:3419:120 min19:1183 min24 Aug
Sydney01:52 → 22:3417:310 min17:32103 min24 Aug
Suva03:52 → 00:3417:580 min17:5899 min24 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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