Ruling · Ratha Saptamī · 2019

Tuesday 12 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 636 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 Monday 11 February

Saptamī is absent from aruṇodaya. Not taken.

05:28 aruṇodaya beginssunrise 07:15
05:0405:2805:5206:1606:4007:0407:28

0 of 108 minutes covered

Dawn of Tuesday 12 February

Taken. The only dawn Saptamī reaches.

05:27 aruṇodaya beginssunrise 07:14
05:0305:2705:5106:1506:3907:0307:27

107 of 107 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 17:51 on Mon 11 Feb to 18:25 on Tue 12 Feb.

    2019-02-11T09:50:46Z → 2019-02-12T10:24:47Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:28–07:15 on the 11th, 05:27–07:14 on the 12th.

    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 108 minutes on the 11th and 107 of 107 on the 12th.

    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 38132 s

  5. 05

    Ruling

    Ratha Saptamī, Baoding, 2019: Tuesday 12 February.

    confidence: determinate

Say it like this

In Baoding, Ratha Saptamī 2019 falls on Tuesday 12 February. Saptamī runs from 17:51 on Mon 11 Feb to 18:25 on Tue 12 Feb and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2019/ratha-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 12 Feb
Ahargaṇa, classicalDisc centre, no refractionTue 12 Feb
compat-drikpanchangComparison profileTue 12 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 11thCoveredAruṇodaya 12thCoveredRuled
Los Angeles01:51 → 02:2504:57105 min04:560 min11 Feb
Chicago03:51 → 04:2505:03109 min05:020 min11 Feb
Jersey City04:51 → 05:2505:08108 min05:0718 min11 Feb
Port of Spain05:51 → 06:2504:5037 min04:5095 min12 Feb
London09:51 → 10:2505:290 min05:27114 min12 Feb
Durban11:51 → 12:2504:070 min04:0886 min12 Feb
Dubai13:51 → 14:2505:140 min05:14102 min12 Feb
Delhi15:21 → 15:5505:200 min05:19103 min12 Feb
Kolkata15:21 → 15:5504:300 min04:29101 min12 Feb
Singapore17:51 → 18:2505:410 min05:4195 min12 Feb
Sydney20:51 → 21:2505:020 min05:0285 min12 Feb
Suva21:51 → 22:2504:280 min04:2890 min12 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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