均時差(e) = RST-MST (國外是稱 LAT-LMT)

RST = Real Sun Time (真太陽時)

MST = Mean Sun Time

LAT = Local Apparent Time

LMT = Local Mean Time



均時差每年都不同，時時刻刻都在變，

簡單計算結果如下(based on GMT)，應該可以精確到千分之一秒：

各位手上如果有類似的校正軟體，可以拿出來比對一下

因為我也不知道是不是真的那麼精確



1/1 e = -0:3:17.23078735598847

1/2 e = -0:3:45.41884038705578

1/3 e = -0:4:13.283667245232209

1/4 e = -0:4:40.799040913639146

1/5 e = -0:5:7.938575482303403

1/6 e = -0:5:34.675347127063105

1/7 e = -0:6:0.981951981138991

1/8 e = -0:6:26.830545093835152

1/9 e = -0:6:52.19300067284172

1/10 e = -0:7:17.041133722314044

1/11 e = -0:7:41.346960369069166

1/12 e = -0:8:5.082977071324422

1/13 e = -0:8:28.22244063879225

1/14 e = -0:8:50.739632278100544

1/15 e = -0:9:12.61008871179456

1/16 e = -0:9:33.81078353059365

1/17 e = -0:9:54.32024809856557

1/18 e = -0:10:14.118635380691558

1/19 e = -0:10:33.18774400823269

1/20 e = -0:10:51.511023924740584

1/21 e = -0:11:9.073580052800132

1/22 e = -0:11:25.862186563385983

1/23 e = -0:11:41.865325166386356

1/24 e = -0:11:57.073257510396616

1/25 e = -0:12:11.478126410352054

1/26 e = -0:12:25.07406006920963

1/27 e = -0:12:37.857241398442056

1/28 e = -0:12:49.82590308778981

1/29 e = -0:13:0.9802096634667734

1/30 e = -0:13:11.321992764928943

1/31 e = -0:13:20.85433428935186



2/1 e = -0:13:29.581049601638476

2/2 e = -0:13:37.506177850696076

2/3 e = -0:13:44.633593806161116

2/4 e = -0:13:50.96680735135134

2/5 e = -0:13:56.50894782741499

2/6 e = -0:14:1.2628816268626153

2/7 e = -0:14:5.2313974223034165

2/8 e = -0:14:8.417405183331645

2/9 e = -0:14:10.82411757601232

2/10 e = -0:14:12.45520421549383

2/11 e = -0:14:13.314922908357403

2/12 e = -0:14:13.408234012390494

2/13 e = -0:14:12.7408979934944

2/14 e = -0:14:11.31955126635603

2/15 e = -0:14:9.151757371941933

2/16 e = -0:14:6.246036318921249

2/17 e = -0:14:2.6118778618319993

2/18 e = -0:13:58.259744131832925

2/19 e = -0:13:53.201068945386396

2/20 e = -0:13:47.44826699185513

2/21 e = -0:13:41.014769241273825

2/22 e = -0:13:33.9150945708343

2/23 e = -0:13:26.164954240139302

2/24 e = -0:13:17.781372669692246

2/25 e = -0:13:8.782794988887872

2/26 e = -0:12:59.189132395122215

2/27 e = -0:12:49.021675504504856

2/28 e = -0:12:38.302811499584095





3/1 e = -0:12:27.05553998209325

3/2 e = -0:12:15.30287751650576

3/3 e = -0:12:3.067306456027943

3/4 e = -0:11:50.37040633234948

3/5 e = -0:11:37.232720760052764

3/6 e = -0:11:23.673821927936842

3/7 e = -0:11:9.71248754111457

3/8 e = -0:10:55.36690710392122

3/9 e = -0:10:40.65486449551372

3/10 e = -0:10:25.593877648352645

3/11 e = -0:10:10.201299041737002

3/12 e = -0:9:54.49438922507852

3/13 e = -0:9:38.49037454259815

3/14 e = -0:9:22.206496591957254

3/15 e = -0:9:5.660058185326307

3/16 e = -0:8:48.86846829933347

3/17 e = -0:8:31.849286089495763

3/18 e = -0:8:14.620262977237068

3/19 e = -0:7:57.19938375141737

3/20 e = -0:7:39.60491176239884

3/21 e = -0:7:21.855446998974912

3/22 e = -0:7:3.9700074354504977

3/23 e = -0:6:45.96814310637001

3/24 e = -0:6:27.870086805428453

3/25 e = -0:6:9.696930040881853

3/26 e = -0:5:51.47078476925344

3/27 e = -0:5:33.21485837810087

3/28 e = -0:5:14.95335499097564

3/29 e = -0:4:56.71114929742089

3/30 e = -0:4:38.51326448139844

3/31 e = -0:4:20.38428138337622





4/1 e = -0:4:2.3478431209423434

4/2 e = -0:3:44.426367687056

4/3 e = -0:3:26.640980876704845

4/4 e = -0:3:9.01160407751834

4/5 e = -0:2:51.55711100420834

4/6 e = -0:2:34.29548947459352

4/7 e = -0:2:17.24397567404597

4/8 e = -0:2:0.4191499857324743

4/9 e = -0:1:43.83699528140369

4/10 e = -0:1:27.51292637975895

4/11 e = -0:1:11.461804336022396

4/12 e = -0:0:55.6979490030244

4/13 e = -0:0:40.235158588620834

4/14 e = -0:0:25.08674031062128

4/15 e = -0:0:10.265554835391415

4/16 e = 0:0:4.215922642888472

4/17 e = 0:0:18.34552293163142

4/18 e = 0:0:32.111284972693284

4/19 e = 0:0:45.501338834756105

4/20 e = 0:0:58.50376541632615

4/21 e = 0:1:11.106427920749411

4/22 e = 0:1:23.29677917085519

4/23 e = 0:1:35.06167045856273

4/24 e = 0:1:46.38721571529459

4/25 e = 0:1:57.2587834732758

4/26 e = 0:2:7.661177589011459

4/27 e = 0:2:17.57901491661869

4/28 e = 0:2:26.997230848442086

4/29 e = 0:2:35.901587423350065

4/30 e = 0:2:44.27906530469048





5/1 e = 0:2:52.1180851462168

5/2 e = 0:2:59.408576068676695

5/3 e = 0:3:6.141944114087892

5/4 e = 0:3:12.310990325227067

5/5 e = 0:3:17.909813453070456

5/6 e = 0:3:22.933723355472495

5/7 e = 0:3:27.379183859106917

5/8 e = 0:3:31.2437909170649

5/9 e = 0:3:34.52627770783238

5/10 e = 0:3:37.22653210908905

5/11 e = 0:3:39.34561395966742

5/12 e = 0:3:40.885761453114384

5/13 e = 0:3:41.850373549159514

5/14 e = 0:3:42.24395333106713

5/15 e = 0:3:42.072001733949975

5/16 e = 0:3:41.340860700152035

5/17 e = 0:3:40.057513602860126

5/18 e = 0:3:38.22935573870839

5/19 e = 0:3:35.863950503630804

5/20 e = 0:3:32.96879011423246

5/21 e = 0:3:29.55108485423355

5/22 e = 0:3:25.617612083146923

5/23 e = 0:3:21.174663066199173

5/24 e = 0:3:16.22812307802633

5/25 e = 0:3:10.783697748397598

5/26 e = 0:3:4.847257498504405

5/27 e = 0:2:58.42523246430119

5/28 e = 0:2:51.524978214602044

5/29 e = 0:2:44.155055201822506

5/30 e = 0:2:36.32540275835254

5/31 e = 0:2:28.047416252466064





6/1 e = 0:2:19.333946512679177

6/2 e = 0:2:10.199244381651598

6/3 e = 0:2:0.6588779199819328

6/4 e = 0:1:50.72965071393355

6/5 e = 0:1:40.429541328476276

6/6 e = 0:1:29.7776705140177

6/7 e = 0:1:18.794293148957877

6/8 e = 0:1:7.500807753845051

6/9 e = 0:0:55.91977179497917

6/10 e = 0:0:44.07490215583949

6/11 e = 0:0:31.991031218831267

6/12 e = 0:0:19.693987537038993

6/13 e = 0:0:7.21038037440394

6/14 e = -0:0:5.4327114987336245

6/15 e = -0:0:18.208119990713385

6/16 e = -0:0:31.088988164483453

6/17 e = -0:0:44.049135143509375

6/18 e = -0:0:57.06334025047455

6/19 e = -0:1:10.107521876957435

6/20 e = -0:1:23.158805089606176

6/21 e = -0:1:36.1954827118325

6/22 e = -0:1:49.19688150798265

6/23 e = -0:2:2.1431536171394328

6/24 e = -0:2:15.015022937018356

6/25 e = -0:2:27.79352161465343

6/26 e = -0:2:40.459749735773585

6/27 e = -0:2:52.99468322676603

6/28 e = -0:3:5.379044231776788

6/29 e = -0:3:17.593237109267676

6/30 e = -0:3:29.617342983397066





7/1 e = -0:3:41.43115774285437

7/2 e = -0:3:53.014253555120405

7/3 e = -0:4:4.346042681522704

7/4 e = -0:4:15.4058246798877

7/5 e = -0:4:26.172804080260903

7/6 e = -0:4:36.62607432972891

7/7 e = -0:4:46.7445732838724

7/8 e = -0:4:56.50702572820592

7/9 e = -0:5:5.8919019928180205

7/10 e = -0:5:14.87743792962192

7/11 e = -0:5:23.441769275041224

7/12 e = -0:5:31.563216183208223

7/13 e = -0:5:39.22070686917783

7/14 e = -0:5:46.394272488660135

7/15 e = -0:5:53.06551217029215

7/16 e = -0:5:59.21793795605487

7/17 e = -0:6:4.837154834513111

7/18 e = -0:6:9.910882308417968

7/19 e = -0:6:14.428856608224176

7/20 e = -0:6:18.382660402608053

7/21 e = -0:6:21.765517196754445

7/22 e = -0:6:24.572072442774697

7/23 e = -0:6:26.79817256867409

7/24 e = -0:6:28.440650526922635

7/25 e = -0:6:29.497128663742895

7/26 e = -0:6:29.965849985164823

7/27 e = -0:6:29.845544770510113

7/28 e = -0:6:29.13533441396794

7/29 e = -0:6:27.834671331315857

7/30 e = -0:6:25.943310389416183

7/31 e = -0:6:23.46130043389172





8/1 e = -0:6:20.388977296211124

8/2 e = -0:6:16.726939223076442

8/3 e = -0:6:12.47599309883304

8/4 e = -0:6:7.637068259437054

8/5 e = -0:6:2.211100198624134

8/6 e = -0:5:56.19889631710521

8/7 e = -0:5:49.601019057363374

8/8 e = -0:5:42.41775088952181

8/9 e = -0:5:34.64921440053786

8/10 e = -0:5:26.295685684135606

8/11 e = -0:5:17.358065757061922

8/12 e = -0:5:7.83840174740817

8/13 e = -0:4:57.74032377179083

8/14 e = -0:4:47.06930159198237

8/15 e = -0:4:35.83270026065293

8/16 e = -0:4:24.03967946105695

8/17 e = -0:4:11.701006980451893

8/18 e = -0:3:58.82884545599612

8/19 e = -0:3:45.43654457671437

8/20 e = -0:3:31.53844879737335

8/21 e = -0:3:17.149720945258224

8/22 e = -0:3:2.2861810460108245

8/23 e = -0:2:46.96416025934923

8/24 e = -0:2:31.200369633702394

8/25 e = -0:2:15.011784508196797

8/26 e = -0:1:58.415548110619966

8/27 e = -0:1:41.428898194376416

8/28 e = -0:1:24.069115174916078

8/29 e = -0:1:6.35348225710004

8/30 e = -0:0:48.299243967712755

8/31 e = -0:0:29.92355117667103



9/1 e = -0:0:11.243383631567667

9/2 e = 0:0:7.724557725282464

9/3 e = 0:0:26.963991648340198

9/4 e = 0:0:46.45921688518229

9/5 e = 0:1:6.195249236197937

9/6 e = 0:1:26.157866222370103

9/7 e = 0:1:46.33348821344953

9/8 e = 0:2:6.708863270155234

9/9 e = 0:2:27.27059589475175

9/10 e = 0:2:48.00463198243051

9/11 e = 0:3:8.895836021974901

9/12 e = 0:3:29.927752645894543

9/13 e = 0:3:51.08256448732391

9/14 e = 0:4:12.341194752334559

9/15 e = 0:4:33.68348380914546

9/16 e = 0:4:55.08838383659622

9/17 e = 0:5:16.53414016639095

9/18 e = 0:5:37.998447408649554

9/19 e = 0:5:59.45858035603578

9/20 e = 0:6:20.891505927934357

9/21 e = 0:6:42.273983825307425

9/22 e = 0:7:3.582660823749393

9/23 e = 0:7:24.79415941488247

9/24 e = 0:7:45.885159065114856

9/25 e = 0:8:6.832468766510935

9/26 e = 0:8:27.61309150647776

9/27 e = 0:8:48.20428361521419

9/28 e = 0:9:8.583614876397405

9/29 e = 0:9:28.729038755404872

9/30 e = 0:9:48.61898407500121





10/1 e = 0:10:8.232477056067182

10/2 e = 0:10:27.549294368163935

10/3 e = 0:10:46.55013377789146

10/4 e = 0:11:5.216769433277584

10/5 e = 0:11:23.53213641300499

10/6 e = 0:11:41.48027565905522

10/7 e = 0:11:59.04608767787977

10/8 e = 0:12:16.21490446188556

10/9 e = 0:12:32.97197108482113

10/10 e = 0:12:49.3019767746091

10/11 e = 0:13:5.188753180464225

10/12 e = 0:13:20.615182433934933

10/13 e = 0:13:35.563280702058364

10/14 e = 0:13:50.01438149018213

10/15 e = 0:14:3.9493431927166966

10/16 e = 0:14:17.348732872146684

10/17 e = 0:14:30.192971374713125

10/18 e = 0:14:42.462446461263426

10/19 e = 0:14:54.13760601735703

10/20 e = 0:15:5.199040217239599

10/21 e = 0:15:15.627559142994976

10/22 e = 0:15:25.404272385489897

10/23 e = 0:15:34.51067522575613

10/24 e = 0:15:42.92874077304532

10/25 e = 0:15:50.64101365228453

10/26 e = 0:15:57.63070291198801

10/27 e = 0:16:3.881777904689443

10/28 e = 0:16:9.37907537864703

10/29 e = 0:16:14.108426324537504

10/30 e = 0:16:18.056809228050952

10/31 e = 0:16:21.212533783391336



11/1 e = 0:16:23.565452052298497

11/2 e = 0:16:25.107175112671243

11/3 e = 0:16:25.831240327042906

11/4 e = 0:16:25.73314297741966

11/5 e = 0:16:24.810149600089062

11/6 e = 0:16:23.06087479601956

11/7 e = 0:16:20.48470920121872

11/8 e = 0:16:17.081265672754853

11/9 e = 0:16:12.850003927187572

11/10 e = 0:16:7.79010443176503

11/11 e = 0:16:1.900553520235917

11/12 e = 0:15:55.18033898831163

11/13 e = 0:15:47.62866039346136

11/14 e = 0:15:39.24510364569869

11/15 e = 0:15:30.029771472368445

11/16 e = 0:15:19.983377896301242

11/17 e = 0:15:9.107314907387263

11/18 e = 0:14:57.4037005480567

11/19 e = 0:14:44.87542278057855

11/20 e = 0:14:31.52619386203707

11/21 e = 0:14:17.36062207435225

11/22 e = 0:14:2.3842990707636247

11/23 e = 0:13:46.603898992625545

11/24 e = 0:13:30.02728794275299

11/25 e = 0:13:12.663643955720545

11/26 e = 0:12:54.52358807875498

11/27 e = 0:12:35.61932979070207

11/28 e = 0:12:15.964833769130564

11/29 e = 0:11:55.576013888962734

11/30 e = 0:11:34.470948375246735





12/1 e = 0:11:12.670085079730597

12/2 e = 0:10:50.19637199772205

12/3 e = 0:10:27.075222944140478

12/4 e = 0:10:3.3342426205717857

12/5 e = 0:9:39.00270920131334

12/6 e = 0:9:14.110918884780403

12/7 e = 0:8:48.68956590336438

12/8 e = 0:8:22.769309247264573

12/9 e = 0:7:56.380579431142905

12/10 e = 0:7:29.553576401744976

12/11 e = 0:7:2.3183637139163693

12/12 e = 0:6:34.7049786771459

12/13 e = 0:6:6.7435160202330735

12/14 e = 0:5:38.464170368424675

12/15 e = 0:5:9.897235713228838

12/16 e = 0:4:41.07306900398726

12/17 e = 0:4:12.022033976450128

12/18 e = 0:3:42.77444491706774

12/19 e = 0:3:13.360526252695335

12/20 e = 0:2:43.81039844925456

12/21 e = 0:2:14.15409807107153

12/22 e = 0:1:44.42163708297812

12/23 e = 0:1:14.64310004172603

12/24 e = 0:0:44.84877079369198

12/25 e = 0:0:15.069278328874134

12/26 e = -0:0:14.664245770240996

12/27 e = -0:0:44.320004344754125

12/28 e = -0:1:13.865376551379995

12/29 e = -0:1:43.26678504958181

12/30 e = -0:2:12.489622755497294

12/31 e = -0:2:41.4982869987125