This cron expression will run at 12:00 AM (midnight) every day.
💡 Common Examples:
0 9 * * 1-5
Every weekday at 9:00 AM
0 0 1 * *
First day of every month at midnight
*/15 * * * *
Every 15 minutes
0 */2 * * *
Every 2 hours
0 0 * * 0
Every Sunday at midnight
📖 Cron Expression Reference:
Field
Allowed Values
Special Characters
Minute
0-59
* , - /
Hour
0-23
* , - /
Day of Month
1-31
* , - /
Month
1-12
* , - /
Day of Week
0-6 (0=Sunday)
* , - /
Special Characters:
* - Any value (wildcard)
, - Value list separator (e.g., 1,3,5)
- - Range of values (e.g., 1-5)
/ - Step values (e.g., */5 means every 5)
Most Popular Cron Expressions
Every Minute/Hour:
* * * * * - Every minute
0 * * * * - Every hour (at minute 0)
*/5 * * * * - Every 5 minutes
*/15 * * * * - Every 15 minutes
*/30 * * * * - Every 30 minutes
0 */2 * * * - Every 2 hours
0 */6 * * * - Every 6 hours
Daily Schedules:
0 0 * * * - Daily at midnight
0 9 * * * - Daily at 9:00 AM
0 12 * * * - Daily at noon
0 18 * * * - Daily at 6:00 PM
30 2 * * * - Daily at 2:30 AM
0 6 * * * - Daily at 6:00 AM
Weekly Schedules:
0 9 * * 1 - Every Monday at 9:00 AM
0 0 * * 0 - Every Sunday at midnight
0 9 * * 1-5 - Weekdays at 9:00 AM
0 18 * * 5 - Every Friday at 6:00 PM
0 0 * * 6 - Every Saturday at midnight
Monthly/Yearly:
0 0 1 * * - First day of every month at midnight
0 9 1 * * - First day of every month at 9:00 AM
0 0 15 * * - 15th of every month at midnight
0 0 1 1 * - January 1st at midnight (New Year)
0 0 * * 0 - Every Sunday at midnight
Backup & Maintenance:
0 2 * * * - Daily at 2:00 AM (common backup time)
0 3 * * 0 - Weekly backup (Sunday 3:00 AM)
0 1 1 * * - Monthly backup (1st day, 1:00 AM)
30 3 * * * - Daily maintenance at 3:30 AM
0 4 * * 6 - Weekly maintenance (Saturday 4:00 AM)
Business Hours:
0 9-17 * * 1-5 - Every hour during business hours (9 AM - 5 PM, weekdays)
*/30 9-17 * * 1-5 - Every 30 minutes during business hours
0 9,17 * * 1-5 - Start and end of business day
Log Rotation & Cleanup:
0 0 * * * - Daily log rotation
59 23 * * * - End of day cleanup
0 1 * * 0 - Weekly cleanup (Sunday 1:00 AM)
Link Download Whatsapp For Android 7.1.1 Site
Downloading WhatsApp for Android 7.1.1 (Nougat) is straightforward as the operating system currently exceeds the app's minimum requirements. While Android 7.1.1 is an older version of the mobile OS, it remains fully compatible with the latest stable versions of WhatsApp Messenger. Official Download Methods
Contacts (to find friends)
Storage (to save photos/videos)
Phone (for SMS verification)
Camera/Microphone (for calls)
Method 2: APK Download (If Play Store is Unavailable)
System Requirements
Download WhatsApp for Android 7.1.1
is still a straightforward process as of May 2026, though system requirements are gradually shifting. Since your device runs Android 7.1.1 (Nougat) , it currently meets the minimum requirements, which officially support Android 5.0 (Lollipop) and newer . Download Whatsapp For Android 7.1.1
Text Messaging: Send text messages to friends and family.
Voice and Video Calls: Make voice and video calls to friends and family.
Media Sharing: Share media files such as photos, videos, and audio files.
Group Chats: Create group chats with friends and family.
End-to-End Encryption: Enjoy end-to-end encryption for secure messaging.
| Problem | Solution | |---------|----------| | App not installed (corrupt package) | Redownload APK from a trusted source. | | Parse error | Your Android version is too low. Double-check: you need 7.1.1 exactly. Some low-end devices say 7.1.1 but are actually 7.0. | | Please update Google Play Services | Install latest Play Services for Nougat (APKMirror). | | WhatsApp says “Update required” after install | You’re using an old version. Download the newest compatible APK (2.23.20.79 or later). | | Verification SMS never arrives | Use “Call me” option. Or check if your phone has signal & SMS ability. | Downloading WhatsApp for Android 7
2. Signal Messenger
Method 1: Direct from WhatsApp’s Official Website (Recommended)
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