Ruling · Ratha Saptamī · 2029

Monday 22 January

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 250 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 Sunday 21 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 Monday 22 January

Taken. The only dawn Saptamī reaches.

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

113 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 11:43 on Sun 21 Jan to 14:13 on Mon 22 Jan.

    2029-01-21T03:42:56Z → 2029-01-22T06:13:14Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:40–07:33 on the 21st, 05:39–07:32 on the 22nd.

    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 21st and 113 of 113 on the 22nd.

    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 15010 s

  5. 05

    Ruling

    Ratha Saptamī, Baoding, 2029: Monday 22 January.

    confidence: determinate

Say it like this

In Baoding, Ratha Saptamī 2029 falls on Monday 22 January. Saptamī runs from 11:43 on Sun 21 Jan to 14:13 on Mon 22 Jan and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2029/ratha-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 22 Jan
Ahargaṇa, classicalDisc centre, no refractionMon 22 Jan
compat-drikpanchangComparison profileMon 22 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 21stCoveredAruṇodaya 22ndCoveredRuled
Los Angeles19:43 → 22:1305:06110 min05:060 min21 Jan
Chicago21:43 → 00:1305:18115 min05:170 min21 Jan
Jersey City22:43 → 01:1305:21114 min05:210 min21 Jan
Port of Spain23:43 → 02:1304:5099 min04:500 min21 Jan
London03:43 → 06:1305:50123 min05:5024 min21 Jan
Durban05:43 → 08:1303:530 min03:5482 min22 Jan
Dubai07:43 → 10:1305:200 min05:20105 min22 Jan
Delhi09:13 → 11:4305:270 min05:27107 min22 Jan
Kolkata09:13 → 11:4304:340 min04:34104 min22 Jan
Singapore11:43 → 14:1305:390 min05:3996 min22 Jan
Sydney14:43 → 17:1304:460 min04:4780 min22 Jan
Suva15:43 → 18:1304:190 min04:1988 min22 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

About Ahargaṇa