Ruling · Aghora Caturdaśī · 1950

Sunday 10 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 247 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 Sunday 10 September

Taken. The only evening Caturdaśī reaches.

18:36 sunsetpradoṣa ends 20:06
18:1218:3619:0019:2419:4820:1220:36

91 of 91 minutes covered

Evening of Monday 11 September

Caturdaśī is absent from pradoṣa. Not taken.

18:34 sunsetpradoṣa ends 20:05
18:1018:3418:5819:2219:4620:1020:34

0 of 91 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 14:29 on Sun 10 Sep to 13:15 on Mon 11 Sep.

    1950-09-10T06:29:11Z → 1950-09-11T05:14:42Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 18:36–20:06 on the 10th, 18:34–20:05 on the 11th.

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

  3. 03

    Rule

    Caturdaśī must be present during pradoṣa. It covers 91 of 91 minutes on the 10th and 0 of 91 on the 11th.

    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 14795 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 1950: Sunday 10 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 1950 falls on Sunday 10 September. Caturdaśī runs from 14:29 on Sun 10 Sep to 13:15 on Mon 11 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1950/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 10 Sep
Ahargaṇa, classicalDisc centre, no refractionSun 10 Sep
compat-drikpanchangComparison profileSun 10 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 10thCoveredSunset 11thCoveredRuled
Los Angeles23:29 → 22:1519:0792 min19:050 min10 Sep
Chicago01:29 → 00:1519:0990 min19:080 min10 Sep
Jersey City02:29 → 01:1519:1490 min19:130 min10 Sep
Port of Spain02:29 → 01:1518:1094 min18:090 min10 Sep
London07:29 → 06:1519:2888 min19:250 min10 Sep
Durban08:29 → 07:1517:4598 min17:460 min10 Sep
Dubai10:29 → 09:1518:2993 min18:280 min10 Sep
Delhi11:59 → 10:4518:3392 min18:320 min10 Sep
Kolkata11:59 → 10:4517:4593 min17:440 min10 Sep
Singapore13:59 → 12:4518:3595 min18:350 min10 Sep
Sydney16:29 → 15:1517:4299 min17:430 min10 Sep
Suva18:29 → 17:1518:0068 min18:000 min10 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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