Ruling · Aghora Caturdaśī · 2055

Saturday 21 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 530 minutes.

Decide it for

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 20 August

Caturdaśī is absent from pradoṣa. Not taken.

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

0 of 84 minutes covered

Evening of Saturday 21 August

Taken. The only evening Caturdaśī reaches.

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

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 07:58 on Sat 21 Aug to 05:20 on Sun 22 Aug.

    2055-08-20T23:58:02Z → 2055-08-21T21:19:34Z

  2. 02

    Kāla

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

    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 20th and 84 of 84 on the 21st.

    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 31801 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 2055: Saturday 21 August.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 2055 falls on Saturday 21 August. Caturdaśī runs from 07:58 on Sat 21 Aug to 05:20 on Sun 22 Aug and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2055/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 21 Aug
Ahargaṇa, classicalDisc centre, no refractionSat 21 Aug
compat-drikpanchangComparison profileSat 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 20thCoveredSunset 21stCoveredRuled
Los Angeles16:58 → 14:2019:3486 min19:320 min20 Aug
Chicago18:58 → 16:2019:4383 min19:410 min20 Aug
Jersey City19:58 → 17:2019:4772 min19:450 min20 Aug
Port of Spain19:58 → 17:2018:220 min18:220 min20 Aug
London00:58 → 22:2020:130 min20:1178 min21 Aug
Durban01:58 → 23:2017:340 min17:35102 min21 Aug
Dubai03:58 → 01:2018:490 min18:4889 min21 Aug
Delhi05:28 → 02:5018:560 min18:5588 min21 Aug
Kolkata05:28 → 02:5018:040 min18:0490 min21 Aug
Singapore07:58 → 05:2019:120 min19:1295 min21 Aug
Sydney09:58 → 07:2017:290 min17:29104 min21 Aug
Suva11:58 → 09:2017:570 min17:5799 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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