DST of Mashhad in 2025
- Jan
 - Feb
 - Mar
 - Apr
 - May
 - Jun
 - Jul
 - Aug
 - Sep
 - Oct
 - Nov
 - Dec
 
- 
At Sat Mar 22 00:00:00 2025, clocks in Mashhad are turned forward 1 hour to Sat Mar 22 01:00:00 2025 to start DST
 - 
At Mon Sep 22 00:00:00 2025, clocks in Mashhad are turned backward 1 hour to Sun Sep 21 23:00:00 2025 to end DST
 
DST of Mashhad Over Years
| Year | Commences | Abbreviations | Time Change | Offset After | 
| 2000 | 03-21, Tue 01:00  | 
IRST -> IRDT | 1 hour forward (start of DST) | UTC+0430 | 
| 09-20, Wed 23:00  | 
IRDT -> IRST | 1 hour backward (end of DST) | UTC+0330 | |
| 2001 | 03-22, Thu 01:00  | 
IRST -> IRDT | 1 hour forward (start of DST) | UTC+0430 | 
| 09-21, Fri 23:00  | 
IRDT -> IRST | 1 hour backward (end of DST) | UTC+0330 | |
| 2002 | 03-22, Fri 01:00  | 
IRST -> IRDT | 1 hour forward (start of DST) | UTC+0430 | 
| 09-21, Sat 23:00  | 
IRDT -> IRST | 1 hour backward (end of DST) | UTC+0330 | |
| 2003 | 03-22, Sat 01:00  | 
IRST -> IRDT | 1 hour forward (start of DST) | UTC+0430 | 
| 09-21, Sun 23:00  | 
IRDT -> IRST | 1 hour backward (end of DST) | UTC+0330 | |
| 2004 | 03-21, Sun 01:00  | 
IRST -> IRDT | 1 hour forward (start of DST) | UTC+0430 | 
| 09-20, Mon 23:00  | 
IRDT -> IRST | 1 hour backward (end of DST) | UTC+0330 | |
| 2005 | 03-22, Tue 01:00  | 
IRST -> IRDT | 1 hour forward (start of DST) | UTC+0430 | 
| 09-21, Wed 23:00  | 
IRDT -> IRST | 1 hour backward (end of DST) | UTC+0330 | |
| 2006 - 2007 | No changes, UTC+0430 all of the period | |||
| 2008 | 03-21, Fri 01:00  | 
IRST -> IRDT | 1 hour forward (start of DST) | UTC+0430 | 
| 09-20, Sat 23:00  | 
IRDT -> IRST | 1 hour backward (end of DST) | UTC+0330 | |
| 2009 | 03-22, Sun 01:00  | 
IRST -> IRDT | 1 hour forward (start of DST) | UTC+0430 | 
| 09-21, Mon 23:00  | 
IRDT -> IRST | 1 hour backward (end of DST) | UTC+0330 | |