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<?php echo strtotime("16:20");
Output for 5.3.19 - 5.4.45, 5.6.28, 7.0.20 - 7.2.0
1445350800
Output for 7.0.6
1462285200
Output for 7.0.5
1459606800
Output for 7.0.4
1457536800
Output for 7.0.3
1458228000
Output for 7.0.2
1458573600
Output for 7.0.1
1458746400
Output for 7.0.0
1459005600
Output for 5.6.21
1462112400
Output for 5.6.20
1460211600
Output for 5.6.19
1457277600
Output for 5.6.18
1457968800
Output for 5.6.17
1458400800
Output for 5.6.16
1459088400
Output for 5.6.15
1459174800
Output for 5.6.14
1459520400
Output for 5.6.13
1460643600
Output for 5.6.12
1461075600
Output for 5.6.11
1461334800
Output for 5.6.10
1461507600
Output for 5.6.9
1461766800
Output for 5.6.8
1461939600
Output for 5.6.7
1464099600
Output for 5.5.35
1463840400
Output for 5.5.34
1460298000
Output for 5.5.33
1457450400
Output for 5.5.32
1458055200
Output for 5.5.31
1458487200
Output for 5.5.30
1459434000
Output for 5.5.29
1460816400
Output for 5.5.28
1461162000
Output for 5.5.27
1461248400
Output for 5.5.26
1461594000
Output for 5.5.25
1461853200
Output for 5.5.24
1462026000