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Epoch — AI Agent Skill | BytesAgain

📖 About This Skill

name: Epoch description: "Convert Unix timestamps, compare epochs, and do time arithmetic. Use when converting dates, debugging timestamps, or checking timezone offsets." version: "3.0.0" author: "BytesAgain" homepage: https://bytesagain.com source: https://github.com/bytesagain/ai-skills tags: ["epoch","unix","timestamp","time","converter","calculator","developer"] categories: ["Developer Tools", "Utility"]

Epoch

A real Unix timestamp tool for converting, comparing, and calculating epoch timestamps. All conversions use the system date command with support for both local and UTC output.

Commands

| Command | Description | |---------|-------------| | epoch now | Show current epoch timestamp + human-readable date (local & UTC) | | epoch convert | Convert an epoch timestamp to human-readable local, UTC, and age | | epoch from | Convert a human-readable date string to epoch | | epoch diff | Calculate difference between two timestamps (seconds, minutes, hours, days) | | epoch add | Add seconds to a timestamp and show the result | | epoch version | Show version | | epoch help | Show available commands and usage |

Requirements

Bash 4+ (set -euo pipefail)

date, awk — standard Unix utilities

No external dependencies or API keys

When to Use

1. Quick timestamp lookup — epoch now gives you the current epoch + human date instantly 2. Debugging timestamps in logs — epoch convert 1700000000 shows you what that number actually means 3. Parsing date strings — epoch from '2024-01-15 10:30:00' gets you the epoch value 4. Calculating time differences — epoch diff shows the gap in every unit 5. Time arithmetic — epoch add 1700000000 3600 adds an hour and shows the result

Examples

# Show current epoch + human-readable date
epoch now
Convert epoch to date
epoch convert 1700000000
Convert date string to epoch
epoch from '2024-01-15 10:30:00'
epoch from 'Jan 15 2024'
Difference between two timestamps
epoch diff 1700000000 1700086400
Add 1 hour (3600 seconds) to a timestamp
epoch add 1700000000 3600
Add 7 days to a timestamp
epoch add 1700000000 604800

Example Output

$ epoch now ┌─────────────────────────────────────┐ │ Current Time │ ├─────────────────────────────────────┤ │ Epoch: 1773916290 │ │ Human: 2026-03-19 18:31:30 CST │ ├─────────────────────────────────────┤ │ UTC: 2026-03-19 10:31:30 UTC │ └─────────────────────────────────────┘

$ epoch diff 1700000000 1700086400 ┌───────────────────────────────────────────────────┐ │ Timestamp Difference │ ├───────────────────────────────────────────────────┤ │ From: 1700000000 (2023-11-15 06:13:20 CST) │ │ To: 1700086400 (2023-11-16 06:13:20 CST) │ ├───────────────────────────────────────────────────┤ │ Seconds: 86400 │ │ Minutes: 1440.00 │ │ Hours: 24.00 │ │ Days: 1.0000 │ │ Duration: 1d 0h 0m 0s │ └───────────────────────────────────────────────────┘

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⚡ When to Use

Trigger	Action
2. Debugging timestamps in logs — `epoch convert 1700000000` shows you what that number actually means
3. Parsing date strings — `epoch from '2024-01-15 10:30:00'` gets you the epoch value
4. Calculating time differences — `epoch diff ` shows the gap in every unit
5. Time arithmetic — `epoch add 1700000000 3600` adds an hour and shows the result

💡 Examples

# Show current epoch + human-readable date
epoch now
Convert epoch to date
epoch convert 1700000000
Convert date string to epoch
epoch from '2024-01-15 10:30:00'
epoch from 'Jan 15 2024'
Difference between two timestamps
epoch diff 1700000000 1700086400
Add 1 hour (3600 seconds) to a timestamp
epoch add 1700000000 3600
Add 7 days to a timestamp
epoch add 1700000000 604800

Example Output

$ epoch now ┌─────────────────────────────────────┐ │ Current Time │ ├─────────────────────────────────────┤ │ Epoch: 1773916290 │ │ Human: 2026-03-19 18:31:30 CST │ ├─────────────────────────────────────┤ │ UTC: 2026-03-19 10:31:30 UTC │ └─────────────────────────────────────┘

$ epoch diff 1700000000 1700086400 ┌───────────────────────────────────────────────────┐ │ Timestamp Difference │ ├───────────────────────────────────────────────────┤ │ From: 1700000000 (2023-11-15 06:13:20 CST) │ │ To: 1700086400 (2023-11-16 06:13:20 CST) │ ├───────────────────────────────────────────────────┤ │ Seconds: 86400 │ │ Minutes: 1440.00 │ │ Hours: 24.00 │ │ Days: 1.0000 │ │ Duration: 1d 0h 0m 0s │ └───────────────────────────────────────────────────┘

*Powered by BytesAgain | bytesagain.com | hello@bytesagain.com*

Trigger	Action
2. Debugging timestamps in logs — `epoch convert 1700000000` shows you what that number actually means
3. Parsing date strings — `epoch from '2024-01-15 10:30:00'` gets you the epoch value
4. Calculating time differences — `epoch diff ` shows the gap in every unit
5. Time arithmetic — `epoch add 1700000000 3600` adds an hour and shows the result