Ruling · Yama Dīpadāna · 1902

Tuesday 28 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 171 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 28 October

Taken. The only evening Trayodaśī reaches.

17:24 sunsetpradoṣa ends 19:10
17:0017:2417:4818:1218:3619:0019:24

106 of 106 minutes covered

Evening of Wednesday 29 October

Trayodaśī is absent from pradoṣa. Not taken.

17:23 sunsetpradoṣa ends 19:09
16:5917:2317:4718:1118:3518:5919:23

0 of 107 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 14:21 on Tue 28 Oct to 14:32 on Wed 29 Oct.

    1902-10-28T06:21:04Z → 1902-10-29T06:31:35Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:24–19:10 on the 28th, 17:23–19:09 on the 29th.

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

  3. 03

    Rule

    Trayodaśī must be present during pradoṣa. It covers 106 of 106 minutes on the 28th and 0 of 107 on the 29th.

    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 10261 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 1902: Tuesday 28 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 1902 falls on Tuesday 28 October. Trayodaśī runs from 14:21 on Tue 28 Oct to 14:32 on Wed 29 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1902/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 28 Oct
Ahargaṇa, classicalDisc centre, no refractionTue 28 Oct
compat-drikpanchangComparison profileTue 28 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 28thCoveredSunset 29thCoveredRuled
Los Angeles22:21 → 22:3217:05105 min17:040 min28 Oct
Chicago00:21 → 00:3216:51108 min16:500 min28 Oct
Jersey City01:21 → 01:3216:58107 min16:570 min28 Oct
Port of Spain02:21 → 02:3217:4398 min17:430 min28 Oct
London06:21 → 06:3216:42113 min16:410 min28 Oct
Durban07:51 → 08:0217:4487 min17:450 min28 Oct
Dubai10:02 → 10:1317:23102 min17:220 min28 Oct
Delhi11:42 → 11:5317:31103 min17:300 min28 Oct
Kolkata11:42 → 11:5316:53101 min16:520 min28 Oct
Singapore13:16 → 13:2717:4695 min17:450 min28 Oct
Sydney16:21 → 16:3218:1886 min18:190 min28 Oct
Suva18:16 → 18:2718:0680 min18:0620 min28 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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