Ruling · Ratha Saptamī · 1995

Monday 6 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 Monday 6 February

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

05:32 aruṇodaya beginssunrise 07:21
Saptamī begins 05:23:15
05:0805:3205:5606:2006:4407:0807:32

109 of 109 minutes covered

Dawn of Tuesday 7 February

Qualifies with 109 of 109 minutes. Not taken.

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 05:23 on Mon 6 Feb to 07:38 on Tue 7 Feb.

    1995-02-05T21:23:15Z → 1995-02-06T23:37:39Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:32–07:21 on the 6th, 05:31–07:20 on the 7th.

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

  3. 03

    Rule

    Saptamī must be present during aruṇodaya. It covers 109 of 109 minutes on the 6th and 109 of 109 on the 7th.

    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 509 s

  5. 05

    Ruling

    Ratha Saptamī, Baoding, 1995: Monday 6 February.

    confidence: boundary (tie-break-unstated)

Say it like this

In Baoding, Ratha Saptamī 1995 falls on Monday 6 February. Saptamī runs from 05:23 on Mon 6 Feb to 07:38 on Tue 7 Feb and covers all of aruṇodaya that dawn. It also reaches the next dawn for 109 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/1995/ratha-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingMon 6 Feb
Ahargaṇa, classicalDisc centre, no refractionMon 6 Feb
compat-drikpanchangComparison profileMon 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 Angeles13:23 → 15:3805:010 min05:00107 min6 Feb
Chicago15:23 → 17:3805:090 min05:08110 min6 Feb
Jersey City16:23 → 18:3805:130 min05:12110 min6 Feb
Port of Spain17:23 → 19:3804:510 min04:5198 min6 Feb
London21:23 → 23:3805:360 min05:35117 min6 Feb
Durban23:23 → 01:3804:030 min04:0485 min6 Feb
Dubai01:23 → 03:3805:170 min05:16103 min6 Feb
Delhi02:53 → 05:0805:230 min05:22105 min6 Feb
Kolkata02:53 → 05:0804:320 min04:32102 min6 Feb
Singapore05:23 → 07:3805:410 min05:4196 min6 Feb
Sydney08:23 → 10:3804:570 min04:580 min7 Feb
Suva09:23 → 11:3804:260 min04:260 min7 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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