Ruling · Aghora Caturdaśī · 2017

Sunday 20 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 490 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 19 August

Caturdaśī is absent from pradoṣa. Not taken.

19:08 sunsetpradoṣa ends 20:31
18:4419:0819:3219:5620:2020:4421:08

0 of 84 minutes covered

Evening of Sunday 20 August

Taken. The only evening Caturdaśī reaches.

19:06 sunsetpradoṣa ends 20:30
18:4219:0619:3019:5420:1820:4221:06

84 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 07:08 on Sun 20 Aug to 04:40 on Mon 21 Aug.

    2017-08-19T23:08:14Z → 2017-08-20T20:40:04Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:08–20:31 on the 19th, 19:06–20:30 on the 20th.

    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 84 minutes on the 19th and 84 of 84 on the 20th.

    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 29387 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 2017: Sunday 20 August.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 2017 falls on Sunday 20 August. Caturdaśī runs from 07:08 on Sun 20 Aug to 04:40 on Mon 21 Aug and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2017/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 20 Aug
Ahargaṇa, classicalDisc centre, no refractionSun 20 Aug
compat-drikpanchangComparison profileSun 20 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 19thCoveredSunset 20thCoveredRuled
Los Angeles16:08 → 13:4019:3586 min19:330 min19 Aug
Chicago18:08 → 15:4019:4483 min19:420 min19 Aug
Jersey City19:08 → 16:4019:4883 min19:460 min19 Aug
Port of Spain19:08 → 16:4018:2247 min18:220 min19 Aug
London00:08 → 21:4020:140 min20:1278 min20 Aug
Durban01:08 → 22:4017:340 min17:34103 min20 Aug
Dubai03:08 → 00:4018:500 min18:4989 min20 Aug
Delhi04:38 → 02:1018:560 min18:5588 min20 Aug
Kolkata04:38 → 02:1018:050 min18:0490 min20 Aug
Singapore07:08 → 04:4019:130 min19:1295 min20 Aug
Sydney09:08 → 06:4017:280 min17:29104 min20 Aug
Suva11:08 → 08:4017:560 min17:5799 min20 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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