Ruling · Ratha Saptamī · 2033

Sunday 6 February

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 dawns

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

Dawn of Saturday 5 February

Saptamī is absent from aruṇodaya. Not taken.

05:32 aruṇodaya beginssunrise 07:21
05:0805:3205:5606:2006:4407:0807:32

0 of 109 minutes covered

Dawn of Sunday 6 February

Taken. The only dawn Saptamī reaches.

05:31 aruṇodaya beginssunrise 07:20
05:0705:3105:5506:1906:4307:0707:31

109 of 109 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 11:49 on Sat 5 Feb to 10:11 on Sun 6 Feb.

    2033-02-05T03:49:06Z → 2033-02-06T02:10:38Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:32–07:21 on the 5th, 05:31–07:20 on the 6th.

    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 109 minutes on the 5th and 109 of 109 on the 6th.

    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 10244 s

  5. 05

    Ruling

    Ratha Saptamī, Baoding, 2033: Sunday 6 February.

    confidence: determinate

Say it like this

In Baoding, Ratha Saptamī 2033 falls on Sunday 6 February. Saptamī runs from 11:49 on Sat 5 Feb to 10:11 on Sun 6 Feb and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2033/ratha-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSun 6 Feb
Ahargaṇa, classicalDisc centre, no refractionSun 6 Feb
compat-drikpanchangComparison profileSun 6 Feb
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 5thCoveredAruṇodaya 6thCoveredRuled
Los Angeles19:49 → 18:1105:00107 min05:000 min5 Feb
Chicago21:49 → 20:1105:08110 min05:070 min5 Feb
Jersey City22:49 → 21:1105:12110 min05:110 min5 Feb
Port of Spain23:49 → 22:1104:5198 min04:500 min5 Feb
London03:49 → 02:1105:35117 min05:340 min5 Feb
Durban05:49 → 04:1104:040 min04:046 min6 Feb
Dubai07:49 → 06:1105:160 min05:1655 min6 Feb
Delhi09:19 → 07:4105:220 min05:22104 min6 Feb
Kolkata09:19 → 07:4104:320 min04:31102 min6 Feb
Singapore11:49 → 10:1105:410 min05:4196 min6 Feb
Sydney14:49 → 13:1104:580 min04:5983 min6 Feb
Suva15:49 → 14:1104:260 min04:2689 min6 Feb
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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