Ruling · Aghora Caturdaśī · 1998

Thursday 20 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 581 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 Thursday 20 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 Friday 21 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 09:14 on Thu 20 Aug to 09:24 on Fri 21 Aug.

    1998-08-20T01:14:23Z → 1998-08-21T01:24:16Z

  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 84 of 84 minutes on the 20th and 0 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 34862 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 1998: Thursday 20 August.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 1998 falls on Thursday 20 August. Caturdaśī runs from 09:14 on Thu 20 Aug to 09:24 on Fri 21 Aug and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1998/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingThu 20 Aug
Ahargaṇa, classicalDisc centre, no refractionThu 20 Aug
compat-drikpanchangComparison profileThu 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 20thCoveredSunset 21stCoveredRuled
Los Angeles18:14 → 18:2419:340 min19:330 min19 Aug
Chicago20:14 → 20:2419:4341 min19:420 min19 Aug
Jersey City21:14 → 21:2419:4783 min19:460 min20 Aug
Port of Spain21:14 → 21:2418:2293 min18:220 min20 Aug
London02:14 → 02:2420:1378 min20:110 min20 Aug
Durban03:14 → 03:2417:34103 min17:350 min20 Aug
Dubai05:14 → 05:2418:4989 min18:480 min20 Aug
Delhi06:44 → 06:5418:5688 min18:550 min20 Aug
Kolkata06:44 → 06:5418:0489 min18:040 min20 Aug
Singapore09:14 → 09:2419:1295 min19:120 min20 Aug
Sydney11:14 → 11:2417:28104 min17:290 min20 Aug
Suva13:14 → 13:2417:5699 min17:570 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

About Ahargaṇa