Ruling · Aghora Caturdaśī · 1988

Friday 9 September

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 504 minutes.

Decide it for

BaodingDelhiKolkataSingaporeSydneyJersey City

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 9 September

Taken. The only evening Caturdaśī reaches.

19:36 sunsetpradoṣa ends 21:07
19:1219:3620:0020:2420:4821:1221:36

91 of 91 minutes covered

Evening of Saturday 10 September

Caturdaśī is absent from pradoṣa. Not taken.

19:35 sunsetpradoṣa ends 21:05
19:1119:3519:5920:2320:4721:1121:35

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 08:35 on Fri 9 Sep to 11:11 on Sat 10 Sep.

    1988-09-08T23:34:54Z → 1988-09-10T02:10:33Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 19:36–21:07 on the 9th, 19:35–21:05 on the 10th.

    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 9th and 0 of 91 on the 10th.

    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 30237 s

  5. 05

    Ruling

    Aghora Caturdaśī, Baoding, 1988: Friday 9 September.

    confidence: determinate

Say it like this

In Baoding, Aghora Caturdaśī 1988 falls on Friday 9 September. Caturdaśī runs from 08:35 on Fri 9 Sep to 11:11 on Sat 10 Sep and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1988/aghora-chaturdashi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 9 Sep
Ahargaṇa, classicalDisc centre, no refractionFri 9 Sep
compat-drikpanchangComparison profileFri 9 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 8thCoveredSunset 10thCoveredRuled
Los Angeles16:35 → 19:1119:0891 min19:060 min8 Sep
Chicago18:35 → 21:1119:1190 min19:080 min9 Sep
Jersey City19:35 → 22:1119:1671 min19:130 min9 Sep
Port of Spain19:35 → 22:1118:1110 min18:090 min9 Sep
London00:35 → 03:1119:300 min19:260 min9 Sep
Durban01:35 → 04:1117:440 min17:460 min9 Sep
Dubai03:35 → 06:1118:300 min18:280 min9 Sep
Delhi05:05 → 07:4118:340 min18:320 min9 Sep
Kolkata05:05 → 07:4117:470 min17:450 min9 Sep
Singapore07:35 → 10:1119:060 min19:050 min9 Sep
Sydney09:35 → 12:1117:420 min17:430 min9 Sep
Suva11:35 → 14:1118:000 min18:000 min9 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

About Ahargaṇa