Ruling · Aghora Caturdaśī · 2039

Thursday 18 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 425 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 Wednesday 17 August

Caturdaśī is absent from pradoṣa. Not taken.

19:11 sunsetpradoṣa ends 20:34
18:4719:1119:3519:5920:2320:4721:11

0 of 83 minutes covered

Evening of Thursday 18 August

Taken. The only evening Caturdaśī reaches.

19:09 sunsetpradoṣa ends 20:33
18:4519:0919:3319:5720:2120:4521:09

83 of 83 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 03:39 on Thu 18 Aug to 04:32 on Fri 19 Aug.

    2039-08-17T19:38:59Z → 2039-08-18T20:31:58Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:11–20:34 on the 17th, 19:09–20:33 on the 18th.

    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 83 minutes on the 17th and 83 of 83 on the 18th.

    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 25506 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 2039: Thursday 18 August.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 2039 falls on Thursday 18 August. Caturdaśī runs from 03:39 on Thu 18 Aug to 04:32 on Fri 19 Aug and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2039/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 18 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 18 Aug
compat-drikpanchangComparison profileThu 18 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 17thCoveredSunset 18thCoveredRuled
Los Angeles12:39 → 13:3219:3785 min19:360 min17 Aug
Chicago14:39 → 15:3219:4882 min19:460 min17 Aug
Jersey City15:39 → 16:3219:5182 min19:500 min17 Aug
Port of Spain15:39 → 16:3218:2492 min18:230 min17 Aug
London20:39 → 21:3220:1956 min20:1775 min18 Aug
Durban21:39 → 22:3217:320 min17:33103 min18 Aug
Dubai23:39 → 00:3218:520 min18:5188 min18 Aug
Delhi01:09 → 02:0218:590 min18:5887 min18 Aug
Kolkata01:09 → 02:0218:070 min18:0689 min18 Aug
Singapore03:39 → 04:3219:130 min19:1395 min18 Aug
Sydney05:39 → 06:3217:260 min17:27104 min18 Aug
Suva07:39 → 08:3217:560 min17:56100 min18 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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