Ruling · Yama Dīpadāna · 2038

Tuesday 26 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 10 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 25 October

Trayodaśī is absent from pradoṣa. Not taken.

17:26 sunsetpradoṣa ends 19:12
17:0217:2617:5018:1418:3819:0219:26

0 of 106 minutes covered

Evening of Tuesday 26 October

Taken. The only evening Trayodaśī reaches.

17:25 sunsetpradoṣa ends 19:11
Trayodaśī ends 19:21:19
17:0117:2517:4918:1318:3719:0119:25

106 of 106 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 22:35 on Mon 25 Oct to 19:21 on Tue 26 Oct.

    2038-10-25T14:35:22Z → 2038-10-26T11:21:19Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:26–19:12 on the 25th, 17:25–19:11 on the 26th.

    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 106 minutes on the 25th and 106 of 106 on the 26th.

    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 619 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 2038: Tuesday 26 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 2038 falls on Tuesday 26 October. Trayodaśī runs from 22:35 on Mon 25 Oct to 19:21 on Tue 26 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/2038/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 26 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 26 Oct
compat-drikpanchangComparison profileTue 26 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 25thCoveredSunset 26thCoveredRuled
Los Angeles07:35 → 04:2118:07104 min18:060 min25 Oct
Chicago09:35 → 06:2117:54107 min17:520 min25 Oct
Jersey City10:35 → 07:2118:01107 min18:000 min25 Oct
Port of Spain10:35 → 07:2117:4498 min17:440 min25 Oct
London15:35 → 12:2117:46112 min17:440 min25 Oct
Durban16:35 → 13:2118:1287 min18:130 min25 Oct
Dubai18:35 → 15:2117:4349 min17:420 min25 Oct
Delhi20:05 → 16:5117:420 min17:410 min25 Oct
Kolkata20:05 → 16:5117:030 min17:030 min25 Oct
Singapore22:35 → 19:2118:510 min18:5131 min26 Oct
Sydney01:35 → 22:2119:160 min19:1786 min26 Oct
Suva02:35 → 23:2118:100 min18:1091 min26 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

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