Ruling · Aghora Caturdaśī · 2054

Monday 31 August

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 130 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 Monday 31 August

Taken. The only evening Caturdaśī reaches.

18:50 sunsetpradoṣa ends 20:18
18:2618:5019:1419:3820:0220:2620:50

88 of 88 minutes covered

Evening of Tuesday 1 September

Caturdaśī is absent from pradoṣa. Not taken.

18:49 sunsetpradoṣa ends 20:17
18:2518:4919:1319:3720:0120:2520:49

0 of 88 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 16:40 on Mon 31 Aug to 13:02 on Tue 1 Sep.

    2054-08-31T08:39:51Z → 2054-09-01T05:01:56Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:50–20:18 on the 31st, 18:49–20:17 on the 1st.

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

  3. 03

    Rule

    Caturdaśī must be present during pradoṣa. It covers 88 of 88 minutes on the 31st and 0 of 88 on the 1st.

    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 7819 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 2054: Monday 31 August.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 2054 falls on Monday 31 August. Caturdaśī runs from 16:40 on Mon 31 Aug to 13:02 on Tue 1 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2054/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 31 Aug
Ahargaṇa, classicalDisc centre, no refractionMon 31 Aug
compat-drikpanchangComparison profileMon 31 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 31stCoveredSunset 1stCoveredRuled
Los Angeles01:40 → 22:0219:1989 min19:180 min31 Aug
Chicago03:40 → 00:0219:2587 min19:230 min31 Aug
Jersey City04:40 → 01:0219:2987 min19:280 min31 Aug
Port of Spain04:40 → 01:0218:1693 min18:150 min31 Aug
London09:40 → 06:0219:4883 min19:460 min31 Aug
Durban10:40 → 07:0217:40100 min17:410 min31 Aug
Dubai12:40 → 09:0218:3891 min18:370 min31 Aug
Delhi14:10 → 10:3218:4490 min18:420 min31 Aug
Kolkata14:10 → 10:3217:5491 min17:540 min31 Aug
Singapore16:40 → 13:0219:0995 min19:090 min31 Aug
Sydney18:40 → 15:0217:3638 min17:370 min31 Aug
Suva20:40 → 17:0217:590 min17:590 min31 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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