Ruling · Ratha Saptamī · 1942

Friday 23 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 246 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two dawns

One ghaṭī is 24 minutes. Aruṇodaya is 2 muhūrtas before sunrise.

Dawn of Friday 23 January

Taken. The only dawn Saptamī reaches.

05:40 aruṇodaya beginssunrise 07:32
05:1605:4006:0406:2806:5207:1607:4008:04

113 of 113 minutes covered

Dawn of Saturday 24 January

Saptamī is absent from aruṇodaya. Not taken.

05:39 aruṇodaya beginssunrise 07:32
05:1505:3906:0306:2706:5107:1507:3908:03

0 of 113 minutes covered

Saptamī presentAruṇodaya, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 23:54 on Thu 22 Jan to 01:33 on Sat 24 Jan.

    1942-01-22T15:53:47Z → 1942-01-23T17:33:16Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:40–07:32 on the 23rd, 05:39–07:32 on the 24th.

    arunodaya: prev-night-muhurta-14-15 · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Saptamī must be present during aruṇodaya. It covers 113 of 113 minutes on the 23rd and 0 of 113 on the 24th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105

  4. 04

    Tie-break

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

    priority: unstated → only-day · margin 14756 s

  5. 05

    Ruling

    Ratha Saptamī, Baoding, 1942: Friday 23 January.

    confidence: determinate

Say it like this

In Baoding, Ratha Saptamī 1942 falls on Friday 23 January. Saptamī runs from 23:54 on Thu 22 Jan to 01:33 on Sat 24 Jan and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/1942/ratha-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 23 Jan
Ahargaṇa, classicalDisc centre, no refractionFri 23 Jan
compat-drikpanchangComparison profileFri 23 Jan
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/ratha-saptami · ruleset 2026.3-draft

Month
Māgha, amānta
Pakṣa · aṅga
Śukla · Saptamī
Kāla
Aruṇodaya
Priority
Unstated
Tie-break
Longer coverage, as a boundary
Reference
CRC 1955, p. 105

“S 7 Ratha saptami (covering 4 ghatikas before sunrise), Acala saptami, Vidhana saptami, Arogya saptami [purvaviddha].” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 105.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceSaptamīAruṇodaya 22ndCoveredAruṇodaya 23rdCoveredRuled
Los Angeles07:54 → 09:3305:070 min05:06110 min23 Jan
Chicago09:54 → 11:3305:180 min05:17115 min23 Jan
Jersey City10:54 → 12:3305:210 min05:21114 min23 Jan
Port of Spain11:54 → 13:3304:510 min04:5199 min23 Jan
London16:54 → 18:3306:500 min06:50123 min23 Jan
Durban17:54 → 19:3303:530 min03:5482 min23 Jan
Dubai19:54 → 21:3305:200 min05:20105 min23 Jan
Delhi22:24 → 00:0306:270 min06:27107 min23 Jan
Kolkata22:24 → 00:0305:350 min05:35104 min23 Jan
Singapore23:24 → 01:0305:090 min05:0996 min23 Jan
Sydney02:54 → 04:3304:460 min04:4780 min23 Jan
Suva03:54 → 05:3304:190 min04:2088 min23 Jan
Profile · tradition
pac-rp@2026.1 · smarta
Rule
ratha-saptami@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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