The meaning of the Acronym PST is...

PST is

• Post Second Time
• Pants Seeking Time

More Meanings For PST:

• Personal Solar Telescope
• Productivity Solutions Training
• Project Service Team
• Provincial Sales Tax
• Panama Stock Exchange
• Parent Staff Together
• Personal Storage Template
• Paste buffer ( Lahey Fortran)
• Microsoft Outlook Personal Folder File
• Postbox file ( BMail)
• Please Send Tell
• Priority Search Tree
• Pipeline Security Technology
• Product Support Tool
• Primary Settlement

PST is also in:

• Astronomy
• Databases
• Educational
• Environmental
• File Extensions
• General
• Mortgage
• Networking
• Security
• Software
• Stock Exchange