Ruling · Ratha Saptamī · 2003

Saturday 8 February

Boundaryin Baoding, under the Rashtriya Panchang method. Both dawns qualify and the rule does not say which to take. Say “contested”.

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 8 February

Taken. Both dawns qualify; the rule is silent, and this one is covered longer.

05:30 aruṇodaya beginssunrise 07:19
05:0605:3005:5406:1806:4207:0607:30

108 of 108 minutes covered

Dawn of Sunday 9 February

Qualifies with 24 of 108 minutes. Not taken.

05:29 aruṇodaya beginssunrise 07:18
Saptamī ends 05:53:03
05:0505:2905:5306:1706:4107:0507:29

24 of 108 minutes covered, the first 24

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

How it was decided

  1. 01

    Aṅga

    Saptamī runs from 03:12 on Sat 8 Feb to 05:53 on Sun 9 Feb.

    2003-02-07T19:11:50Z → 2003-02-08T21:53:04Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:30–07:19 on the 8th, 05:29–07:18 on the 9th.

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

  3. 03

    Rule

    Saptamī must be present during aruṇodaya. It covers 108 of 108 minutes on the 8th and 24 of 108 on the 9th.

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

  4. 04

    Tie-break

    Both dawns qualify and the rule marks neither. The one covered longer is ruled, as a boundary.

    priority: unstated → greater-coverage · margin 1417 s

  5. 05

    Ruling

    Ratha Saptamī, Baoding, 2003: Saturday 8 February.

    confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Ratha Saptamī 2003 falls on Saturday 8 February. Saptamī runs from 03:12 on Sat 8 Feb to 05:53 on Sun 9 Feb and covers all of aruṇodaya that dawn. It also reaches the next dawn for 24 minutes; the rule does not say which to take, and the one covered longer is ruled: treat the date as contested.

ahargana.org/baoding/festivals/2003/ratha-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingSat 8 Feb
Ahargaṇa, classicalDisc centre, no refractionSat 8 Feb
compat-drikpanchangComparison profileSat 8 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 7thCoveredAruṇodaya 8thCoveredRuled
Los Angeles11:12 → 13:5304:590 min04:59106 min8 Feb
Chicago13:12 → 15:5305:070 min05:06110 min8 Feb
Jersey City14:12 → 16:5305:110 min05:10109 min8 Feb
Port of Spain15:12 → 17:5304:500 min04:5098 min8 Feb
London19:12 → 21:5305:340 min05:33116 min8 Feb
Durban21:12 → 23:5304:040 min04:0585 min8 Feb
Dubai23:12 → 01:5305:160 min05:16103 min8 Feb
Delhi00:42 → 03:2305:220 min05:21104 min8 Feb
Kolkata00:42 → 03:2304:310 min04:31102 min8 Feb
Singapore03:12 → 05:5305:410 min05:4196 min8 Feb
Sydney06:12 → 08:5304:590 min05:0011 min9 Feb
Suva07:12 → 09:5304:270 min04:270 min9 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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