Quick Answer
The answer is the `date` command with the format string `'+%Y-%m-%d %H:%M:%S'`, which directly outputs the current date and time in the exact YYYY-MM-DD HH:MM:SS format requested. This works because the `date` utility interprets `%Y`, `%m`, `%d`, `%H`, `%M`, and `%S` as specifiers for the four-digit year, zero-padded month, day, hour, minute, and second, giving you precise control over the output without relying on locale settings. On the Red Hat Certified System Administrator EX200 exam, this tests your ability to manipulate system time output using standard command-line tools, a common task in scripting and log management. A frequent trap is confusing the `-Iseconds` option, which produces ISO 8601 output with a timezone offset (e.g., `2023-10-05T14:30:00+05:00`), with the plain format string; the exam expects you to know that `-Iseconds` does not match the simple space-separated format. Remember the mnemonic: "Yankee Mike Delta" for the three date specifiers, then "Hotel Mike Sierra" for the time components.
This EX200 practice question tests your understanding of essential tools. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which TWO commands can be used to display the current date and time in a format like '2023-10-05 14:30:00'?
date '+%Y-%m-%d %H:%M:%S'
Formats date as required.
cal
Why wrong: Shows calendar, not current date/time.
timedatectl
Why wrong: Shows time and date but not in that exact format.
date -Iseconds
ISO 8601 format includes seconds.
hwclock
Why wrong: Displays hardware clock, not current date/time.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
date '+%Y-%m-%d %H:%M:%S'
Option A is correct because the `date` command with the format string `'+%Y-%m-%d %H:%M:%S'` explicitly outputs the current date and time in the requested 'YYYY-MM-DD HH:MM:SS' format. The `%Y`, `%m`, `%d`, `%H`, `%M`, and `%S` specifiers correspond to the year, month, day, hour, minute, and second respectively, giving precise control over the output.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
date '+%Y-%m-%d %H:%M:%S'
Why this is correct
Formats date as required.
Related concept
Read the scenario before looking for a memorised answer.
cal
Why it's wrong here
Shows calendar, not current date/time.
timedatectl
Why it's wrong here
Shows time and date but not in that exact format.
date -Iseconds
Why this is correct
ISO 8601 format includes seconds.
Related concept
Read the scenario before looking for a memorised answer.
hwclock
Why it's wrong here
Displays hardware clock, not current date/time.
Common exam traps
Red Hat often tests the distinction between commands that display time in a raw format versus those that require explicit formatting; candidates may mistakenly choose `timedatectl` because it shows the current time, but it does not output in the exact 'YYYY-MM-DD HH:MM:SS' format without additional parsing.
Trap categories for this question
Command / output trap
Shows calendar, not current date/time.
Detailed technical explanation
The `date` command uses `strftime`-style format specifiers, where `%Y` yields a four-digit year (e.g., 2023), `%m` zero-pads the month (01–12), and `%d` zero-pads the day (01–31). The `-Iseconds` option (ISO 8601 with seconds) outputs the date and time in the format '2023-10-05T14:30:00+00:00' (with time zone offset), which, when truncated or viewed without the time zone, matches the requested pattern. Under the hood, `date` reads the system clock via the `clock_gettime` syscall, while `hwclock` interacts directly with the CMOS RTC, which may differ from the system time if NTP adjustments are pending.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the EX200 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
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FAQ
Essential Tools — This question tests Essential Tools — Read the scenario before looking for a memorised answer..
The correct answer is: date '+%Y-%m-%d %H:%M:%S' — Option A is correct because the `date` command with the format string `'+%Y-%m-%d %H:%M:%S'` explicitly outputs the current date and time in the requested 'YYYY-MM-DD HH:MM:SS' format. The `%Y`, `%m`, `%d`, `%H`, `%M`, and `%S` specifiers correspond to the year, month, day, hour, minute, and second respectively, giving precise control over the output.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 30, 2026
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