Ruling · Aghora Caturdaśī · 1959

Tuesday 1 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 440 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 Tuesday 1 September

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 Wednesday 2 September

Caturdaśī is absent from pradoṣa. Not taken.

18:48 sunsetpradoṣa ends 20:16
18:2418:4819:1219:3620:0020:2420:48

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 11:30 on Tue 1 Sep to 10:59 on Wed 2 Sep.

    1959-09-01T03:29:41Z → 1959-09-02T02:58:36Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:50–20:18 on the 1st, 18:48–20:16 on the 2nd.

    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 1st and 0 of 88 on the 2nd.

    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 26420 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 1959: Tuesday 1 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 1959 falls on Tuesday 1 September. Caturdaśī runs from 11:30 on Tue 1 Sep to 10:59 on Wed 2 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1959/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 1 Sep
Ahargaṇa, classicalDisc centre, no refractionTue 1 Sep
compat-drikpanchangComparison profileTue 1 Sep
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 1stCoveredSunset 2ndCoveredRuled
Los Angeles20:30 → 19:5919:1939 min19:180 min1 Sep
Chicago22:30 → 21:5919:2587 min19:230 min1 Sep
Jersey City23:30 → 22:5919:2987 min19:280 min1 Sep
Port of Spain23:30 → 22:5918:1693 min18:150 min1 Sep
London04:30 → 03:5919:4883 min19:460 min1 Sep
Durban05:30 → 04:5917:40100 min17:410 min1 Sep
Dubai07:30 → 06:5918:3891 min18:370 min1 Sep
Delhi09:00 → 08:2918:4390 min18:420 min1 Sep
Kolkata09:00 → 08:2917:5491 min17:530 min1 Sep
Singapore11:00 → 10:2918:3995 min18:380 min1 Sep
Sydney13:30 → 12:5917:36101 min17:370 min1 Sep
Suva15:30 → 14:5917:5998 min17:590 min1 Sep
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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