Ruling · Ratha Saptamī · 1972

Sunday 23 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 54 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 Saturday 22 January

Saptamī is absent from aruṇodaya. Not taken.

05:40 aruṇodaya beginssunrise 07:33
05:1605:4006:0406:2806:5207:1607:4008:04

0 of 113 minutes covered

Dawn of Sunday 23 January

Taken. The only dawn Saptamī reaches.

05:40 aruṇodaya beginssunrise 07:32
Saptamī ends 06:33:08
05:1605:4006:0406:2806:5207:1607:4008:04

54 of 113 minutes covered, the first 54

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 08:43 on Sat 22 Jan to 06:33 on Sun 23 Jan.

    1972-01-22T00:43:08Z → 1972-01-22T22:33:08Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:40–07:33 on the 22nd, 05:40–07:32 on the 23rd.

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

  3. 03

    Rule

    Saptamī must be present during aruṇodaya. It covers 0 of 113 minutes on the 22nd and 54 of 113 on the 23rd.

    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 3210 s

  5. 05

    Ruling

    Ratha Saptamī, Baoding, 1972: Sunday 23 January.

    confidence: determinate

Say it like this

In Baoding, Ratha Saptamī 1972 falls on Sunday 23 January. Saptamī runs from 08:43 on Sat 22 Jan to 06:33 on Sun 23 Jan and covers 54 of 113 minutes of aruṇodaya that dawn.

ahargana.org/baoding/festivals/1972/ratha-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 23 Jan
Ahargaṇa, classicalDisc centre, no refractionSun 23 Jan
compat-drikpanchangComparison profileSun 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 Angeles16:43 → 14:3305:07110 min05:060 min22 Jan
Chicago18:43 → 16:3305:18115 min05:170 min22 Jan
Jersey City19:43 → 17:3305:21114 min05:210 min22 Jan
Port of Spain20:43 → 18:3304:5099 min04:510 min22 Jan
London00:43 → 22:3305:51123 min05:500 min22 Jan
Durban02:43 → 00:3303:5382 min03:540 min22 Jan
Dubai04:43 → 02:3305:20105 min05:200 min22 Jan
Delhi06:13 → 04:0305:2761 min05:270 min22 Jan
Kolkata06:13 → 04:0304:356 min04:350 min22 Jan
Singapore08:13 → 06:0305:090 min05:0954 min23 Jan
Sydney11:43 → 09:3304:460 min04:4780 min23 Jan
Suva12:43 → 10:3304:190 min04:1988 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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