Ruling · Yama Dīpadāna · 1948

Saturday 30 October

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 20 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 Friday 29 October

Trayodaśī is absent from pradoṣa. Not taken.

17:22 sunsetpradoṣa ends 19:08
16:5817:2217:4618:1018:3418:5819:22

0 of 107 minutes covered

Evening of Saturday 30 October

Taken. The only evening Trayodaśī reaches.

17:20 sunsetpradoṣa ends 19:07
16:5617:2017:4418:0818:3218:5619:20

107 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 22:23 on Fri 29 Oct to 19:28 on Sat 30 Oct.

    1948-10-29T14:23:10Z → 1948-10-30T11:27:33Z

  2. 02

    Kāla

    Pradoṣa is 2 muhūrtas after sunset: 17:22–19:08 on the 29th, 17:20–19:07 on the 30th.

    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 107 minutes on the 29th and 107 of 107 on the 30th.

    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 1204 s

  5. 05

    Ruling

    Yama Dīpadāna, Baoding, 1948: Saturday 30 October.

    confidence: determinate

Say it like this

In Baoding, Yama Dīpadāna 1948 falls on Saturday 30 October. Trayodaśī runs from 22:23 on Fri 29 Oct to 19:28 on Sat 30 Oct and covers all of pradoṣa that evening.

ahargana.org/baoding/festivals/1948/yama-dipadana · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 30 Oct
Ahargaṇa, classicalDisc centre, no refractionSat 30 Oct
compat-drikpanchangComparison profileSat 30 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 29thCoveredSunset 30thCoveredRuled
Los Angeles07:23 → 04:2818:03105 min18:020 min29 Oct
Chicago08:23 → 05:2816:48108 min16:470 min29 Oct
Jersey City09:23 → 06:2816:56108 min16:550 min29 Oct
Port of Spain10:23 → 07:2817:4398 min17:420 min29 Oct
London15:23 → 12:2817:39114 min17:370 min29 Oct
Durban16:23 → 13:2818:1586 min18:160 min29 Oct
Dubai18:23 → 15:2817:4059 min17:390 min29 Oct
Delhi19:53 → 16:5817:380 min17:380 min29 Oct
Kolkata19:53 → 16:5817:010 min17:000 min29 Oct
Singapore21:53 → 18:5818:200 min18:2037 min30 Oct
Sydney00:23 → 21:2818:200 min18:2185 min30 Oct
Suva02:23 → 23:2818:110 min18:1290 min30 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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