Ruling · Ratha Saptamī · 2073

Tuesday 14 February

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 187 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 Tuesday 14 February

Taken. The only dawn Saptamī reaches.

05:24 aruṇodaya beginssunrise 07:11
05:0005:2405:4806:1206:3607:0007:24

106 of 106 minutes covered

Dawn of Wednesday 15 February

Saptamī is absent from aruṇodaya. Not taken.

05:23 aruṇodaya beginssunrise 07:09
04:5905:2305:4706:1106:3506:5907:23

0 of 106 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 00:26 on Tue 14 Feb to 02:16 on Wed 15 Feb.

    2073-02-13T16:25:43Z → 2073-02-14T18:16:29Z

  2. 02

    Kāla

    Aruṇodaya is 2 muhūrtas before sunrise: 05:24–07:11 on the 14th, 05:23–07:09 on the 15th.

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

  3. 03

    Rule

    Saptamī must be present during aruṇodaya. It covers 106 of 106 minutes on the 14th and 0 of 106 on the 15th.

    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 11221 s

  5. 05

    Ruling

    Ratha Saptamī, Baoding, 2073: Tuesday 14 February.

    confidence: determinate

Say it like this

In Baoding, Ratha Saptamī 2073 falls on Tuesday 14 February. Saptamī runs from 00:26 on Tue 14 Feb to 02:16 on Wed 15 Feb and covers all of aruṇodaya that dawn.

ahargana.org/baoding/festivals/2073/ratha-saptami · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingTue 14 Feb
Ahargaṇa, classicalDisc centre, no refractionTue 14 Feb
compat-drikpanchangComparison profileTue 14 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 13thCoveredAruṇodaya 14thCoveredRuled
Los Angeles08:26 → 10:1604:550 min04:54104 min14 Feb
Chicago10:26 → 12:1605:010 min05:00107 min14 Feb
Jersey City11:26 → 13:1605:050 min05:04107 min14 Feb
Port of Spain12:26 → 14:1604:490 min04:4998 min14 Feb
London16:26 → 18:1605:250 min05:23112 min14 Feb
Durban18:26 → 20:1604:090 min04:0987 min14 Feb
Dubai20:26 → 22:1605:130 min05:12102 min14 Feb
Delhi21:56 → 23:4605:180 min05:18103 min14 Feb
Kolkata21:56 → 23:4604:290 min04:28101 min14 Feb
Singapore00:26 → 02:1605:410 min05:4195 min14 Feb
Sydney03:26 → 05:1605:040 min05:0585 min14 Feb
Suva04:26 → 06:1604:290 min04:2990 min15 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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