Ruling · Yama Dīpadāna · 1984

Monday 22 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 488 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 21 October

Trayodaśī is absent from pradoṣa. Not taken.

17:31 sunsetpradoṣa ends 19:16
17:0717:3117:5518:1918:4319:0719:31

0 of 104 minutes covered

Evening of Monday 22 October

Taken. The only evening Trayodaśī reaches.

17:30 sunsetpradoṣa ends 19:15
17:0617:3017:5418:1818:4219:0619:30

105 of 105 minutes covered

Trayodaśī presentPradoṣa, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Trayodaśī runs from 06:54 on Mon 22 Oct to 03:23 on Tue 23 Oct.

    1984-10-21T22:53:46Z → 1984-10-22T19:22:47Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:31–19:16 on the 21st, 17:30–19:15 on the 22nd.

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

  3. 03

    Rule

    Trayodaśī must be present during pradoṣa. It covers 0 of 104 minutes on the 21st and 105 of 105 on the 22nd.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one evening qualifies. No tie-break is needed.

    priority: unstated → only-day · margin 29278 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 1984: Monday 22 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 1984 falls on Monday 22 October. Trayodaśī runs from 06:54 on Mon 22 Oct to 03:23 on Tue 23 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1984/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 22 Oct
Ahargaṇa, classicalDisc centre, no refractionMon 22 Oct
compat-drikpanchangComparison profileMon 22 Oct
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/yama-dipadana · ruleset 2026.3-draft

Month
Āśvina, amānta
Pakṣa · aṅga
Kṛṣṇa · Trayodaśī
Kāla
Pradoṣa
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 104

“K 13 Yama dipadana (pradosa).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceTrayodaśīSunset 21stCoveredSunset 22ndCoveredRuled
Los Angeles15:54 → 12:2318:11103 min18:100 min21 Oct
Chicago17:54 → 14:2317:59106 min17:580 min21 Oct
Jersey City18:54 → 15:2318:0758 min18:050 min21 Oct
Port of Spain18:54 → 15:2317:4529 min17:450 min21 Oct
London23:54 → 20:2317:540 min17:52110 min22 Oct
Durban00:54 → 21:2318:100 min18:1088 min22 Oct
Dubai02:54 → 23:2317:460 min17:45101 min22 Oct
Delhi04:24 → 00:5317:450 min17:44102 min22 Oct
Kolkata04:24 → 00:5317:060 min17:06100 min22 Oct
Singapore06:54 → 03:2318:510 min18:5195 min22 Oct
Sydney08:54 → 05:2318:130 min18:1487 min22 Oct
Suva10:54 → 07:2318:090 min18:0991 min22 Oct
Profile · tradition
pac-rp@2026.1 · smarta
Rule
yama-dipadana@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

About Ahargaṇa